LTE2 46 49% Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean μ=257 days and standard deviation o13 days. Complete parts (a) through (f) below. (a) What is the probability that a randomly selected pregnancy lasts less than 253 days? The probability that a randomly selected pregnancy lasts less than 253 days is approximately decimal places as needed.) (Round to four

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