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
a. .894
b. .1088
c. .724
d. .0994
e. .223
1 answer:
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