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Population Distribution Probabilities

A population distribution is normal with a mean of 25 and a standard deviation of 5.

If a piece of datum is randomly taken from this distribution, what is the probability that it is less than 20?

If a sample of 4 pieces of data are taken from this distribution, what is the probability that the mean will be less than 20?

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A population distribution is normal with a mean of 25 and a standard deviation of 5.

If a piece of datum is randomly taken from this distribution, what is the probability ...

Solution Summary

Calculations are given to find the probability that randomly selected data will be less than 20 in this distribution.

$2.19