Suppose a normal distribution has a mean of 38 and a standard deviation of 2. What is the probability that a data value is between 36 and 43? Round your answer to the nearest tenth of a percent. A. 56.

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asked Jan 10, 2021 15.1k views

3 votes

Suppose a normal distribution has a mean of 38 and a standard deviation of

2. What is the probability that a data value is between 36 and 43? Round your
answer to the nearest tenth of a percent.
A. 56.5%
B. 62.5%
C. 83.5%
D. 77.5%
SUBMIT

Mathematics
middle-school

Brian Kendig asked

by Brian Kendig

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1 Answer

6 votes

Answer:

C. 83.5%

Explanation:

-1 < z < 2.5

0.9938-0.1587 = 0.8351

83.5%

Richrosa answered Jan 16, 2021

by Richrosa

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