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a) For 30 randomly selected Rolling Stones concerts, the mean gross earnings is 2.79 million dollars....

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Basic Math

a) For 30 randomly selected Rolling Stones concerts, the meangross earnings is 2.79 million dollars. Assuming a populationstandard deviation gross earnings of 0.47 million dollars, obtain a99% confidence interval for the mean gross earnings of all RollingStones concerts (in millions).

Confidence interval: ( __________________ , __________________).

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Solution Given that 279 047n 30At 99 confidence    See Answer
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