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Question

The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 38 liters, and standard deviation of 4.4 liters.

A) What is the probability that daily production is between 32.8 and 45.9 liters? Do not round until you get your your final answer.

Answer= (Round your answer to 4 decimal places.)

Warning: Do not use the Z Normal Tables...they may not be accurate enough since WAMAP may look for more accuracy than comes from the table.

Answer 1

On a TI-84

2ND VARS

Normalcdf

lower = 32.8

upper = 45.9

mean = 38

sd = 4.4

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