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What is the probability of the duration of pregnancy

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Let XXX What is the probability that the duration of pregnancy is between 250 and 300 days?

Denote the duration of a randomly selected pregnancy. Accepted values for the mean and standard deviation of are 266 days and 16 days, respectively. Suppose that the probability distribution of is normal. (Show both in equations and on a normal curve)

  1. What is the probability that the duration of pregnancy is at most 240 days?
  2. What pregnancy length is shorter than 15% of all pregnancy durations?

Reference no: EM132852836

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