Question
According to the International Mass Retail Association, girls aged 13-17 spend an average of $31.20 on shopping trips in a month. Assume that the amounts
According to the International Mass Retail Association, girls aged 13-17 spend an average of $31.20 on shopping trips in a month. Assume that the amounts have a standard deviation of $8.27. If 85 girls in that age category are randomly selected, what is the probability that their mean monthly shopping expenses are between $30.00 and $33.00?
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Finite Mathematics and Its Applications
Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair
12th edition
978-0134768588, 9780134437767, 134768582, 134437764, 978-0134768632
