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A research firm conducted a survey to determine the mean amount steady smokers spend on cigarettes...

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Question

Statistics

A research firm conducted a survey to determine the mean amountsteady smokers spend on cigarettes during a week. The populationmean is $25 and the population standard deviation is $15. What isthe probability that a sample of $100 steady smokers spend between$24 and $26?

a. 0.495

b. 0.252

c. 0.248

d. 0.748

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