Question: normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. According to the American Red Cross, type O-positive blood is

normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. According to the American Red Cross, type O-positive blood is the most common blood type in America, and as a result it is in very high demand. Approximately 38% of all Americans have blood type O-positive. Suppose the 66 blood donors at a given clinic represent a random sample of Americans. (Round your answers to four decimal places.)What is the probability that at most 20 have blood type O-positive? What is the probability that fewer than 30 do not have blood type O-positive

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