Use the table below about the smoking habits of a group of asthma sufferers. Nonsmoker Light Smoker Heavy Smoker Total Male 339 76 66 481 Female 327 89 65 481 Total 666 165 131 962 a. If one participant is randomly selected, find the probability that they are female or a light smoker. (Round to three decimal places) b. If four participants are randomly selected without replacement, find the probability that they are all nonsmokers. (Round to three decimal places) c. If one participant is randomly selected, find the probability they are a heavy smoker given they are male. (Round to three decimal places) The following table gives the probability having x adults reporting sleepwalking in a sample of 5. P(x) X 0 0.181 1 0.385 2 0.282 3 0.122 4 0.028 5 0.002 a. Find the probability of exactly 2 sleepwalkers. b. Find the probability of at least 3 sleepwalkers. c. Find the mean of the distribution. (Use three decimal places)