Mathematics, 13.03.2021 02:30 lizzlegnz999

The Arc Electronic Company had an income of 7676 million dollars last year. Suppose the mean income of firms in the same industry as Arc for a year is 9090 million dollars with a standard deviation of 77 million dollars. If incomes for this industry are distributed normally, what is the probability that a randomly selected firm will earn more than Arc did last year

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The Arc Electronic Company had an income of 7676 million dollars last year. Suppose the mean income...