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There are 250 dogs at a dog show that weigh an average of 12 pounds, with a standard deviation of 8 pounds. If 4 dogs are chosen at random, what is the probability that the average weight is greater than 8 pounds?

Sagot :

We are given the following information:

μ=12:σ=8

The probability that they have an average weight of greater than 8 pounds and less than 25 pounds is calculated as follows.

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