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What is the probability that a randomly selected pregnancy

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Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean μ=283 days and standard deviation σ=22 days. Complete parts? (a) through? (f) below.

?(a) What is the probability that a randomly selected pregnancy lasts less than 275 ?days?

The probability that a randomly selected pregnancy lasts less than 275 days is approximately nothing. ?(Round to four decimal places as? needed.)

Reference no: EM132848152

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