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The mean daily production of a herd of cows is assumed to be normally distributed with...

The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 31 liters, and standard deviation of 9.3 liters.

A) What is the probability that daily production is between 44.9 and 55.7 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.

Math   Statistics-And-Probability   
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Answer #1

Let X denotes the production of a herd of cows on a randomly selected day.

Here,

X ~ Normal(31, 9.32)

A) The probability that daily production is between 44.9 and 55.7 liters

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