Mathematics, 08.04.2021 02:50, natfloresm13

Insurance companies who use a particular brand of software for their accounting systems prepare financial statements in an average of 14.2 days with a standard deviation of 4.1 days. In a sample of 35 companies that use this software, the probability that the mean statement preparation time is greater than 15 day is:

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Insurance companies who use a particular brand of software for their accounting systems prepare fina...