Mathematics, 07.01.2021 21:10, de5briz75

Velma is analyzing spending habits of the gang. She find a mean monthly discretionary expense of $70 spent on having meals out with friends. The standard deviation of the distribution is 5. Give the range of amounts within 1 standard deviation of the mean and explain what percent of friends will have be within 1 standard deviation if it is a normal distribution.

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Velma is analyzing spending habits of the gang. She find a mean monthly discretionary expense of $70...

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