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Problem 8: Use Mega Stat to solve this problem During the past six months, 73.2 percent of US households purchased sugar. Assume that these expenditures are approximately normally distributed with a mean of $8.22 and a standard deviation of $1.10 . a) Find the probability that a household spent less than $5.00 on sugar. b) Find the probability that a household spent more than $10.00 on sugar. c) What proportion of the households spent between $5.00 and $9.00 on sugar? d) 99 percent of the households spent less than what amount? e) 80 percent of the households spent more than what amount? f) Calculate the I QR = Q 3 Q 1 of the household expenditure. .

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Problem 8: Use Mega Stat to solve this problem During the past six months, 73.2 percent of US households purchased sugar. Assume that these expenditures are approximately normally distributed with a mean of $8.22 and a standard deviation of $1.10 . a) Find the probability that a household spent less than $5.00 on sugar. b) Find the probability that a household spent more than $10.00 on sugar. c) What proportion of the households spent between $5.00 and $9.00 on sugar? d) 99 percent of the households spent less than what amount? e) 80 percent of the households spent more than what amount? f) Calculate the I QR = Q 3 Q 1 of the household expenditure. .

- 1. Problem 8: Use Mega Stat to solve this problem During the past six months, 73.2 percent of US households purchased sugar. Assume that these expenditures are approximately normally distributed with a mean of $8.22 and a standard deviation of $1.10 . a) Find the probability that a household spent less than $5.00 on sugar. b) Find the probability that a household spent more than $10.00 on sugar. c) What proportion of the households spent between $5.00 and $9.00 on sugar? d) 99 percent of the households spent less than what amount? e) 80 percent of the households spent more than what amount? f) Calculate the I QR = Q 3 Q 1 of the household expenditure.