SAT College

Find the value of z such that
0.6826 of the area lies between
– z and z. Round your answer to two decimal places.

Answers

Answer 1

Answer:

z = 1.00

Explanation:

Given:

Probability of z value  = 0.6826

By using standard normal table for z value.

P(-z < Z < z) = 0.6826

P(Z < z) - P(Z < -z) = 0.6826

We know that

P(Z < z) + P(Z < -z) = 1

So,

2P(Z < z) - 1 = 0.6826

2P(Z < z) = 1 + 0.6826

2P(Z < z) = 1.6826

P(Z < z) = 1.6826 / 2

P(Z < z) = 0.8413  

So,

P(Z < 1.00) = 0.8413  

z = 1.00

Related Questions

A,B,C,D,E,F,are to give speeches to the class . The order of speeches is determined by randomly selection. Compute the probability that E will speak first and Cwill speak fifth

Answers

Answer:

1/30

Explanation:

To solve this we lay out the order of speeches and the number of people to fill in that position. We first find the number of desirable outcomes

Conditions:

- E speaks first

- C speaks fifth

In the first position, there is only one option which is E.

In the second position, we can choose from 4 others (E is in first, and C is reserved for fifth)

In the third, we can choose from 3 others (4 - 1)

In the fourth, 2 choices (3 - 1)

In the fifth, there is only one choice as it needs to be speaker C.

In the sixth is the remaining person from the 2 choices for fourth position (2 - 1)

Now we multiply to get the number of desirable outcomes

1x4x3x2x1x1 = 24

After that, we get the total number of outcomes. To find the probability, we divide the number of desirable outcomes by the total number of outcomes.

The total number of outcomes is 6! = 720

So:

24/720 = 1/30 simplified

Which statement best describes the rate of dissolving?

A All substances dissolve at the same rate.
B All substances dissolve at a fast rate.
C The rate of dissolving may be fast or slow.
D Rates of dissolving are usually slow.

Answers

Answer:

the rate of dissolving may be fast or slow

what degree can you earn from a two-year college​

Answers

Answer:

Associate degree

Explanation:

This two-year degree is an Associate of Arts (A.A.) or Associate of Science (A.S.). Some students who earn this degree transfer to a four-year program to earn a bachelor’s degree. Others complete associate degrees to prepare to go straight to work. Community colleges, career colleges and some four-year colleges offer these degrees.

Answer:

Associates degree

Explanation:

Alfred Wegener suggested that earth’s continents are moving. Which evidence supports this theory?

Answers

Continental Drift was his theory

The continents were separating farther and farther from each other so he came up with the theory that were drifting away from each other but didn’t have proof of how

Answer:

Explanation:

From looking at maps over the years, Alfred Wegener observed that the countries/continents could fit together and they almost looked like pieces of a puzzle that connect to the greater picture of things (we refer to Pangea) Also, he proved his theory of continental drift from various pieces of evidence. For example, one of the biggest pieces of evidence were the fossils found on different continents. For example, an organism that wasn't even native to a country was found there through old fossil remains.

Roosevelt would not measure a man’s worth by his successes, but rather by the number of attempts he has made to accomplish something

Answers

Perseverance is worth a thousand one hit wonder successes. There are so many “accidental” successes.. Roosevelt was a wise wise man. He knew that through persistent attempts at anything and everything in life, man will end up wiser, better off, & more successful/ rich in the skill of life- which can get you anywhere

Correct Answer: True

"Despite" is what kind of transition?
•Compare/Contrast
• Moving time
•Counter claim / Rebuttal
•Introducing details

Answers

Counter claim, rebuttal. Despite means that you have more to add on, etc “Despite their enormous complaints, the governor proceeded with the new law anyway.”
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