According to an almanac, 80% of adult smokers started smoking before turning 18 years old. (a) If 200 adult smokers are
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According to an almanac, 80% of adult smokers started smoking before turning 18 years old. (a) If 200 adult smokers are
According to an almanac, 80% of adult smokers started smoking before turning 18 years old. (a) If 200 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 180 smokers who started smoking before turning 18 years old in a random sample of 200 adult smokers? Why? CHIC (a) We would expect about adut smokers to have started smoking before turning 18 years old (Type a whole number) (b) Would it be unusual to observe 180 smokers who started smoking before tuming 18 years old in a random sample of 200 adultumokers? OA. Yes, because 100 is between u-2n and +20. OB Yes, because 180 is greater than y 20. OC. No, because 180 is less than -20. D. No, because 180 is between p-20 and 20 OE. No, because 180 is greater than u 26.
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