Mathematics, 19.06.2020 21:57 amarshall90

In a recent study, the mean age of Snap Chat users is 29.8 years. Suppose the standard deviation is 15 years. The sample of size is 80. Find the probability that the sum of the ages is between 2200 and 2500 years.

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In a recent study, the mean age of Snap Chat users is 29.8 years. Suppose the standard deviation is...

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