According to an almanac, 60% of adult smokers started smoking before turning 18 years old. (a) If 100 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 turning 18 years old in a random sample of 100 adult smokers? Why? (a) We would expect about 60 adult smokers to have started smoking before turning 18 years old. (Type 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. No, because 80 is less than u - 20 O B. No, because 80 is between u - 20 and u + 20. O C. Yes, because 80 is greater than u + 20. O D. No, because 80 is greater than | + 20. O E. Yes, because 80 is between u - 20 and u + 20