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The mean height of all the elderly women in a city is 160 cm and the variance of their heights is 36 cm2. If a

The mean height of all the elderly women in a city is 160 cm and the variance of their heights is 36 cm2. If a sample of 60 elderly women is taken, what is the probability that their mean height will be less than 158 cm?

A.0.016

B.0.023

C.0.009

D.0.005

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