First grade children have heights that are normally distributed about a mean of 37 inches and a standard deviation of 2 inches.

Question

3 years ago

9

First grade children have heights that are normally distributed about a mean of 37 inches and a standard deviation of 2 inches.

A random sample of size 25 is taken and the mean is calculated. Find the probability that the mean value (X-bar) will be between 36.5 and 41.0 inches.
a. .894
b. .1088
c. .724
d. .0994
e. .223

Mathematics

1 answer:

harina [27] · Answer 1 · 2021-12-20T14:27:48+03:00

harina [27]3 years ago

3 0

Answer:

the probability that the mean value (X-bar) will be between 36.5 and 41.0 inch is 0.894 the correct option is a)

step-by-step explanation:

See attached picture