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According to an almanac, 60% of adult smokers started smoking before turning 13 years old. . . {a} If 101] adult smokers are randomly selected.

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According to an almanac, 60% of adult smokers started smoking before turning 13 years old. . . {a} If 101] adult smokers are randomly selected. how many would we expect to have started smoking before turning 18 years old? (b) Would it be unusual to observe 80 smokers who started smoking before lurning 18 years old in a random sample of 100 adult smokers? Why? W [a] We would expect about 613' adult smokers to have started smoking before turning 18 years old. (lype a whole number.) (b) Would it be unusual to observe 80 smokers who started smoking before turning 18 years old in a random sample of 100 adult smokers? O A. Not because 80 is less than on 20. C) B. No. because 80 is between u 20 and at +20. ; O C. Yes. because 80 is greater than u + 20. O D. No. because bl) is greater than it + 20. Q ELYes, because 80 is between [I - 26 and 11+ 26

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