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Answer the questimis below. Be thorough but concise. 1. According to the National Center for Health Statistics, 22.4% of adults are smokers. A random sample of 300 adults is obtained. (a) Describe the sampling distribution of 33, the sample proportion of adults who smoke. (b) In a random sample of 300 adults, what is the probability that at least 50 are smokers? (0) Would it be unusual if a random sample of 300 adults results in 18% or less being smokers? 2. Give a precise explanation for how the Central Limit Theorem applies to the methods of nding probabilities from collected samples