According to an almanac 60 of adult smokers started smoking before turning 18 years old a If 400 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 320 smokers who started smoking before turning 18 years old in a random sample of 400 adult smokers Why CIDE a We would expect about 240 adult smokers to have started smoking before turning 18 years old Type a whole number b Would it be unusual to observe 320 smokers who started smoking before turning 18 years old in a random sample of 400 adult smokers OA No because 320 is less than 2o OB Yes because 320 is greater than 20 OC No because 320 is between 20 and 2o O D No because 320 is greater than 20 OE Yes because 320 is between 20 and 20