The mean incubation time for a type of fertilized egg kept at 100.2°F is 23 days.
The mean incubation time for a type of fertilized egg kept at 100.2°F is 23 days.
Suppose that the incubation times are approximately normally distributed with a standard deviation of 2 days.
(a) What is the probability that a randomly selected fertilized egg hatches in less than 19 days?
(b) What is the probability that a randomly selected fertilized egg hatches between 21 and 23 days?
(c) What is the probability that a randomly selected fertilized egg takes over 27 days to hatch?
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