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Describes the length of pregnancies

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The Normal modelN(270,9) describes the length of pregnancies, in days, for women who go into spontaneous labor. Which of these statements is asking for a measurement (is an inverse Normal question) and which is asking for aprobability?

A. If 60% of women have a pregnancy length below this number of days, what is the number of days?

B. If we select, at random, a woman who goes into spontaneous labor, what is the probability that her pregnancy will be 279 days or fewer?

Reference no: EM131090204

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