Suppose that the incubation times are approximately


The mean incubation time for a type of fertilized egg kept at 100.6?°F is 20 days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 1 day

?(a) What is the probability that a randomly selected fertilized egg hatches in less than 18 ?days?

?(b) What is the probability that a randomly selected fertilized egg hatches between 19 and 20 ?days?

?(c) What is the probability that a randomly selected fertilized egg takes over 22 days to? hatch?

?(a) The probability that a randomly selected fertilized egg hatches in less than 18 days is nothing.

?(Round to four decimal places as? needed.)

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Basic Computer Science: Suppose that the incubation times are approximately
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