Question

The weights of bowling balls are normally distributed with mean
11.5 pounds and standard deviation 2.7 pounds. A sample of 36
bowling balls is selected. What is the probability that the average
weight of the sample is less than 11.32 pounds?

Write only a number as your answer. Round to 4 decimal places (for
example 0.0048). Do not write as a percentage.

Answer #2

Note-i have used the biometrica table to get the capital phi value..

If there is any understanding problem regarding this please feel free to ask via comment box..thank you

answered by: anonymous

The weights of bowling balls are normally distributed with mean
11.5 pounds and standard deviation 2.7 pounds. A sample of 36
bowling balls is selected. What is the probability that the average
weight of the sample is less than 11.27 pounds?
Write only a number as your answer. Round to 4 decimal places (for
example 0.0048). Do not write as a percentage.
Please explain how to use Ti-84 Plus CE with
this

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