vicor

28.04.2021 • 

Mathematics

You want to know the percentage of financial services companies that earned revenue less than 23 million or more than 77 million dollars. If the mean revenue was 50 million dollars and the data has a standard deviation of 14 million, find the percentage. Assume that the distribution is normal. Round your answer to the nearest hundredth

Ответ:

Sumthin4695

03.02.2020

Mathematics

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Set the ones digit to x.  2x+1=7, so 2x=6, so x=3.

x+1 is the tens digit, so the tens digit is 4 and the number is 43.

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