# What is the probability of smokers starting to smoke before 18?

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According to recent research, 80% of adut smokers started smoking before they were 18 years old. Suppose ten smokers are randomly selected and the number of smokers who started smoking before 18 is recorded.

A) Find the probability that exactly eight started smoking before turning 18 years of age.

B) Find the probability that more than eight started smoking before turning 18 years of age.

C) Find the probability that eight or less started smoking before turning 18 years of age.

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#### Solution Summary

The probability in each case is provided in the solution.

$2.49