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  3. the popularity of a music group is normally distri

The popularity of a music group is normally distributed with a mean of 5 years...

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The popularity of a music group is normally distributed with a mean of 5 years 5 and a standard deviation of 2 years o 2 If 32 music groups were randomly selected n 32 find the probability that their years of popularity have a mean that lasts less than 4 years 0 0023 0 0046 0 0124 0 0256 344

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