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In: Statistics and Probability

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.2...

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.2 years, and standard deviation of 0.6 years.
The 4% of items with the shortest lifespan will last less than how many years?
Give your answer to one decimal place.

A particular fruit's weights are normally distributed, with a mean of 597 grams and a standard deviation of 16 grams.
The heaviest 6% of fruits weigh more than how many grams?
Give your answer to the nearest gram.

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 10.1 liters.
A) What is the probability that daily production is between 38.6 and 54.5 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.

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orchestra answered 2 years ago
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