Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean u= 210 days and standard deviation o = 16 days. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) What is the probability that a randomly selected pregnancy lasts less than 204 days? The probability that a randomly selected pregnancy lasts less than 204 days is approximatelyO. (Round to four decimal places as needed.) (b) What is the probability that a random sample of 12 pregnancies has a mean gestation period of 204 days or less? The probability that the mean of a a random sample of 12 pregnancies is less than 204 days is approximately (Round to four decimal places as needed.) (c) What is the probability that a random sample of 31 pregnancies has a mean gestation period of 204 days or less? The probability that the mean of a a random sample of 31 pregnancies is less than 204 days is approximately (Round to four decimal places as needed.)

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