Normally distributed with a standard deviation

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The mean incubation time for a type of fertilized egg kept at 100.6°F is 22 days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 22 days.

(a) What is the probability that a randomly selected fertilized egg hatches in less than 20 days?

(b) What is the probability that a randomly selected fertilized egg hatches between 18 and 22 days?

(c) What is the probability that a randomly selected fertilized egg takes over 24 days to hatch?

Reference no: EM131215214

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