Question

Heights of women: A survey was conducted to measure the height of US women. In the survey, respondents were grouped by age. In the 20-29 age groups, the heights were normally distributed with a mean of 64.3 inches and a standard deviation of 2.6 inches.
a) Find the probability that her height is less than 56.5 inches (z=, area=, probability).
b) Find the probability that her height is between 61 and 67 inches (z1=, z2= area for z1and z2= probability. c) Find the probability that her height is more than 70.5 inches (z=, area=, probability=).



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  • CreatedAugust 05, 2013
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