SOLUTION: The mean height of women in a country​ (ages 20​-29) is 64.2 inches. A random sample of 70 women in this age group is selected. What is the probability that the mean height for

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Question 1173135: The mean height of women in a country​ (ages 20​-29) is 64.2 inches. A random sample of 70 women in this age group is selected. What is the probability that the mean height for the sample is greater than 65 ​inches? Assume o=2.98.
The probability that the mean height for the sample is greater than 65 inches is ?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi,

 The mean height of women in a country​ (ages 20​-29) is 64.2 inches

m = 64.2  and  o=2.98.

Using Calculator

P( x̄ > 65) = 1 - P(x ≤ 65) = 1 - normalcdf(-9999,65,64.2,2.98) 

P(x̄ > 65) = 1 - .6058  =  .3942 

Wish You the Best in your Studies.

. 

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