5. For the past 10 days, a city planner has counted the number of
northbound cars that pass through a particular intersection During
that time, 200 or more cars were counted 9 out of 10 days.

a. What is the experimental probability that there will be 200 or more
northbound cars passing through the intersection on the eleventh day?

b. What is the experimental probability that there will not be 200 or
more northbound cars passing through the intersection on the
eleventh day?


Can someone please help I’m stuck ( and please show the work) thank you.

Answers

Answer 1
Event=200 or more cars

The number of cars was counted on 10 days and thus there were 10 trials.

# of trials=10

200 or more cars were counted on 9 of the 10 days and thus the event occurs 9 times.

# of times the event occurs= 9

The probability is the number of times the event occurs divided by the number of trials:

P ( 200 or more cars)= # of times the event occurs / # of trials

=9/10
0.9
90%

We know that the sum Of the probabilities Of an event And it’s Complement needs to be equal to 1.

P( event ) + P ( complement)= 1

What is it is “200 or more cars”

P( 200 or more cars) + P (not 200 or more cars) = 1

Since P ( 200 or more cars) = 9/10 we can replace P ( 200 or more cars) in the equation by 9/10

9/10 +P ( not 200 or more cars) =1

Subtract 9/10 from each side

-9/10= 1-9/10

Combine like terms

P( not 200 or more cars) = 1/10= 0.1 = 10%

A: 9/10 = 0.9 = 90%
B: 1/10= 0.1= 10%

Related Questions

Enter the unknown number to make the equation true.
Please help I’ll give brainless if possible

Answers

Answer:

It would be 70

Step-by-step explanation:

hope this helped :)

Find the product and simplify. (3c-5) ^2

Answers

Answer:

9c² -30c + 25

Step-by-step explanation:

Perfect square trinomial: (a - b)² = a² - 2ab + b²

(3c - 5)²

(3c)² -2(3c * 5) + 5²

9c² -2(15c) + 5²

9c² -30c + 25

Final answer: 9c² -30c + 25

Hope this helps!

Hi!

Given:

[tex](3c-5)^2[/tex]

As this is squared, we are simply multiplying the given expression by itself, like so:

[tex](3c-5)(3c-5)[/tex]

Now, we can use the Distributive Property to solve, using the FOIL Method:

[tex](3c-5)(3c-5)[/tex]

[tex]9c^2-15c-15c+25[/tex]

Combine like terms:

[tex]9c^2-30c+25[/tex]

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Help plss. Worth 20 points<3

What do animals that are carnivores eat?

fish and insects
other animals
plants and fungus
whatever they can find

Answers

Answer:  Other animals

Step-by-step explanation:

Based on this deck of 46 cards, which event has a probability of 2746?

a. P(not Star)
b. P(Circle or Rectangle)
c. P(not Diamond)
d. P(Rectangle)

Answers

Answer:

B

Explanation:

There are 19 rectangles and 8 circles

19

+8

27 so it would be 27/47

Name the property used in the equation 1=6n. Then find the value of n.

Answers

Answer:

1=6

Step-by-step explanation:

Divide both sides of the equation by the same term

1=6

Which expression is equivalent to startfraction 4 f squared over 3 endfraction divided by startfraction 1 over 4 f endfraction? startfraction 16 f cubed over 3 endfraction startfraction f over 3 endfraction startfraction 3 over 16 f cubed endfraction startfraction 3 over f endfraction

Answers

The value of the quotient expression [tex]\frac{4f^2}{3} \div \frac{1}{4f}[/tex] is [tex]\frac{16f^3}{3}[/tex]

What is quotient?

The quotient of numbers or expressions is the division of a number or expression by another

How to determine the equivalent expression?

The expression is given as:

[tex]\frac{4f^2}{3} \div \frac{1}{4f}[/tex]

Rewrite as a product expression

[tex]\frac{4f^2}{3} \times \frac{4f}{1}[/tex]

Evaluate the product of 3 and 1

[tex]\frac{4f^2}{3} \times 4f[/tex]

Evaluate the product of 4f^2 and 4f

[tex]\frac{16f^3}{3}[/tex]

Hence, the value of the quotient expression [tex]\frac{4f^2}{3} \div \frac{1}{4f}[/tex] is [tex]\frac{16f^3}{3}[/tex]

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Answer:

its A

Step-by-step explanation:

On edge its the first answer

A line segment has endpoints of (-2,6) and
(-4,-9). What is the midpoint of the line
segment?

Answers

Answer:

(-3, -1.5)

Step-by-step explanation:

Given:

Endpoint₁: (-2, 6)Endpoint₂: (-4, -9)

[tex]\boxed{\text{Midpoint of a line segment:} \ \huge\text(\dfrac{x_1 + x_2}{2} ,\dfrac{y_1 + y_2}{2} \text)}[/tex]

Substitute the endpoints of the line segment in the midpoint:

[tex]\implies \huge\text[\dfrac{-2 + (-4)}{2} ,\dfrac{6 + (-9)}{2} \text][/tex]

Simplify the coordinates in the midpoint:

[tex]\implies \huge\text[\dfrac{-2 - 4}{2} ,\dfrac{6 - 9}{2} \text] \implies \huge\text[\dfrac{-6}{2} ,\dfrac{-3}{2} \text]\implies \huge\text[-3 ,-1.5 \text][/tex]

Thus, the coordinate of the midpoint is (-3, -1.5)

Select the equation of the line in slope-intercept form: 4x + 9y = 36

Answers

Answer:

y= -4x/9+4

Step-by-step explanation:

4x+9y=36 (move 4x)

9y=-4x+36 (divide by 9)

y= -4/9x+36/9

y= -4x/9+4

please help ILL GIVE BRAINLIESST I NEED TWO PPL TO ANWSER SO I CAN GIVE IT !! EXPLANATION PLEASE

Answers

Answer:

∠ECB

Step-by-step explanation:

The angle which is vertical to ∠HCI is ∠ECB.

A vertical angle has the equal angle measure to the angle opposing it.

Hence, our answer is understood.

Find the volume of the rectangular prism. WA 3yd 3 yd 4 yd​

Answers

the answer is going to be 36

(3,7), (1,8)
find the distance between each pair of points ​

Answers

Answer:

[tex]\sqrt{241}[/tex]

Step-by-step explanation:

3+1=4

7+8=15

4^2=16

15^2=225

16+225=241

[tex]\sqrt{241}[/tex]

the distance is (-2,1)

What is the area of the shaded region? (25π – 48) cm2 (25π – 30) cm2 (25π – 24) cm2 (25π – 12) cm2

Answers

The area of the shaded region or portion in the circle is (25π - 24) cm².

How to find the area of the shaded portion in the circle?

The area of the shaded portion in the circle is found by subtracting the area of the two triangles from the area of the circle.

Therefore,

area of the circle = πr²

where

r = radius

area of a triangle = 1/ 2 bh

where

b = baseh = height

Therefore,

r = 5 cm

area of circle = 5²π = 25π cm

area of one triangle = 1 / 2 × 6 × 4 = 12 cm²

The area of the two triangles = 2(12) = 24 cm²

Hence,

area of the shaded portion = (25π - 24) cm²

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4. What is the area of the circle below?
3m

Answers

Answer:

[tex]\pi * 9[/tex] or 28.28

Step-by-step explanation:

With the equation of [tex]A = \pi * r^2[/tex], We find that the r - (radius) = 3, so it would be [tex]\pi *3^2\\[/tex] or [tex]\pi * 9[/tex]

Hope This Helps!

hey so I'm a 15 year old in Geometry HN and I have my SOL tomorrow, (baisaclly state testing) I've been stuffy for weeks now yet my brain just can't comprehend ANYTHING! and I'm honestly so frustrated. Could anyone help me with these questions? about circles? I would appreciate if someone gave me a step-by-step process if it isn't to much to ask

Directions: Find X. O represents the center of the circle​

Answers

Answer:

2: 86

3:64

4: 77

6: 3

7:12

8: O=110 X:110

Step-by-step explanation:

Number 2 shows what is called a central angle. Central Angles are equivalent to the ark length

Number 3 shows an Inscribed angle. These angles are half of the ark but in your question, it is twice the angle measurement

Number 4 you want to divide the ark length by two when the angle is not given. And when the angle is given you want to mutilate by two

Number 6 is Overlapping Ark which means they are both congruent to each other because the ark is equivalent to each other.

Number 7 is x=12 because 5x+12 is twice the measure of 3x

Number 8 o=110 because a circle has 360 degrees so you want to add them up and then subtract that from 360. x is also 110 degrees because it is a central angle, which is the same amount of degrees as the ark length.

What is the angle of evaluation of the top of a tree 8m high from a point on the ground 9.2m away from the foot of the tree

Answers

Answer: 40.69°

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The volume of a tree stump can be modeled by considering it as a right cylinder. Ashley measures its height as 1.2 ft and its radius as 20 in. Find the volume of the stump in cubic inches. Round your answer to the nearest tenth if necessary.

Answers

The volume of the stump in cubic inches is 18095.6  if the Ashley measures its height as 1.2 ft and its radius as 20 in.

What is a cylinder?

In geometry, it is defined as the three-dimensional shape having two circular shapes at a distance called the height of the cylinder.

We know the volume of the cylinder is given by:

[tex]\rm V = \pi r^2 h[/tex]

We have h = 1.2 ft = 1.2×12 = 14.4 inches

r = 20 inches

[tex]\rm V = \pi (20)^2 \times 14.4[/tex]

After calculating, we get:

V = 18095.57 ≈ 18095.6 cubic inches

Thus, the volume of the stump in cubic inches is 18095.6  if the Ashley measures its height as 1.2 ft and its radius as 20 in.

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Answer:

Step-by-step explanation:

2

Can someone please help me solve this? I’ll give you a brainliest pls!!!

Answers

Answer:

1. 84º

Step-by-step explanation:

1. CEB = 180º - 96º

  CEB = 84º

you do the rest

Write the converse of the following statements:
1. If two angles are both obtuse, the two angles are equal.
2. If 3 - 2x = 13, then x = -5.
3. If 2 angles are supplementary, then they are not equal.

Answers

For the first statement the converse is two angles are equal if the two angles are both obtuse, for second "x = -5 if the equation is  3 - 2x = 13" for third Two angles are not equal if 2 angles are supplementary.

What is the converse of a statement?

A conditional statement with the antecedent and effect reversed is known as a converse statement.

We have statement:

1. If two angles are both obtuse, the two angles are equal.

Converse: The two angles are equal if the two angles are both obtuse.

2. If 3 - 2x = 13, then x = -5.

Converse: x = -5 if the equation is  3 - 2x = 13

3. If 2 angles are supplementary, then they are not equal.

Converse: Two angles are not equal if 2 angles are supplementary.

Thus, for the first statement the converse is two angles are equal if the two angles are both obtuse, for second "x = -5 if the equation is  3 - 2x = 13" for third Two angles are not equal if 2 angles are supplementary.

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what's the graph of y=3x-5​

Answers

Answer:

Step-by-step explanation:

Help...
25 pts and will give BRAINLIEST!

Answers

Answer:

hope u understand...........

answer these two questions asap!!

Answers

Answer:

Step-by-step explanation:

45 cm times 20 cm you find by by mutiply and divide

Susie needs to cover her triangular garden with new top soil. Her garden has a base of 7 ft and a height of 10 ft. A bag of soil will cover 5 square feet. How many bags will she need?

Question 7 options:

70 bags of soil


35 bags of soil


12 bags of soil


7 bags of soil

Answers

If 1 bag of soil will covers 5 square feet, the number of bags of soil that will cover Susie's 35 square feet triangular garden is 7 bags.

Option D) is the correct answer.

How many bags will Susie need?

Area of a triangle is expressed as half base multiply by height.

A = (1/2)base × height

Given that;

Base of the triangular garden = 7ftHeight = 10ftArea of the triangular garden A = ?

A = (1/2)base × height

A = (1/2) × 7ft × 10ft

Area of the triangular garden A = 35ft²

Now, if 1 bag of soil covers 5 square feet. how many will cover 35 square feet?

1 bag covers 5ft²

x bags covers 35ft²

x = 35 / 5

x = 7 bags

Therefore,  if 1 bag of soil will covers 5 square feet, the number of bags of soil that will cover Susie's 35 square feet triangular garden is 7 bags.

Option D) is the correct answer.

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One number is five more than another number. If the square of the smaller number is 3 more than 3 times the larger number, what are the numbers?

Answers

Answer:

6 and 11

Step-by-step explanation:

n1 = n + 5

ns^2 = 3 + 3nb

6^2 = 3 + 3(11)

36 = 3 + 33

11 = 6 + 5

Miguel plots points a, b, and c in the coordinate plane. what is the distance
between points a and b?
a(-3,2)
b(-6,-2)
c(0,-2)

Answers

The distance between a and b is 5 units.

What is an Equilateral Triangle?

An equilateral triangle has three sides that have the same length. The triangle is defined as the plane two-dimensional figure with three sides having the sum of the three angles of 180 degrees.

Since the figure is missing in the question so I have attached the figure of the points on the graph for better understanding.

The given coordinates are as follows:-

a (-3, 2)

b (-6, -2)

c (0, -2)

Use the distance formula,[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex] , to find ab.

ab  = √[(−6−(−3))² + (−2−2)²]

ab  = √25

ab  = 5 units

Therefore the distance between A and B is 5 units.

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I need the numbers please con y’all help me

Answers

Answer:

[tex]y=\frac{2}{3}x+4[/tex]

Step-by-step explanation:

Calculate the slope by using rise over run to get 2/3x

The Y Intercept is 4

14. Which of the following is the perimeter of the right triangle shown below?
(1) 63 cm
(2) 64 cm
(3) 70 cm
(4) 74 cm

Answers

Answer:

70

Step-by-step explanation:

using the Pythagorean theorem we see that the side length is 29, meaning the perimeter is 70

Determine if square root of three is rational or rational and why

Answers

Answer:

Irrational

Step-by-step explanation:

If the number goes on and on it’s irrational

Hope this helps! ;-)

Answer:

It is not rational because the square root of 3 is not a fraction nor a repeating decimal.

What is the product of 76 and 6.0 x 10^2 expressed in scientific notation?

Answers

Answer:

45.6 x 10^3

Step-by-step explanation:

76 can be expressed as 7.6 x 10^1.

Now, you can multiply the two values together.

7.6 x 6.0 is 45.6.

Then, add the two exponents together:

1 + 2 = 3

45.6 x 10^3

Read the excerpt from "A Century Ride.” Lizzie Dunlop patted the small lady’s shoulder soothingly. "There, there, little iceberg,” she said, "let it all be buried! It’s forgotten. You shall never be worried about it again. You are here to enjoy every moment of your holiday, and to tell me the news of civilization, and to take rides across the prairie. What a blessing we have a decent road for the velocipede—I beg pardon—bicycle! You must have lots of grit to mount that scary machine; and—oh! Maude! How can you want to be a surgeon? I should die if I saw a man cut up and mangled; but you are a marvel!” Which phrase from the excerpt is most like the modern language used in writing? There, there little iceberg You are here to enjoy every moment You must have lots of grit I should die if I saw a man cut up

Answers

The phrase in the excerpt that is most similar to the modern language used in writing is "You are here to enjoy every moment".

What is modern language?

It corresponds to a language that is in current use in society, being a term used to differentiate a language that is still used for communication from a language that is not used anymore today, such as Latin.

Therefore, the phrase relates to the values ​​of modern society with regard to the use of words and the message that the author wants to convey to readers.

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Answer:

b

Step-by-step explanation:

Cereal costs $.19 per ounces. How much does 15 oz of cereal cost?

Answers

The possibility is right and your on the right track keep going and you will find the answer I believe in you bro keep going
$2.85 , this is because if it is $0.19 per ounce and you have 15 you need to do 0.19 X 15 to get 2.85 :)
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