Mathematics, 20.11.2020 04:30, onlymyworld27

1. Suppose, as is roughly true, the amount of money U. S. smokers spend on cigarettes each year is distributed normally with a mean (µ) of $1,250 and a standard deviation (σ) of $220.
(a) (5 pts.) What is the probability that a single randomly selected smoker in the U. S, spends more than $1,350
each year on cigarettes?

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