Probability of spending above what amount is of what value
One study found that the average amount spent on textbooks by students is $414.25 per semester with a standard deviation of $82. If the expenditures on textbooks are normally distributed, then the probability of spending above what amount is 17%?
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If the expenditures on textbooks are normally distributed, then the probability of spending above what amount is 17%?
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According to the U.S. Bureau of the Census Current Construction Report, the average price of a new mobile home in the western part of the United States during 1993 was $40,500. Assume the standard deviation was $8,500. Should a mobile home selling
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