Question

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

Answer 1

C. 83.5%

Explanation:

-1 < z < 2.5

0.9938-0.1587 = 0.8351

83.5%