Mathematics, 24.02.2021 04:10, savage5447

Please help :( The mean incubation time for a type of fertilized egg kept at 100.9°F is 20 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 16 days?
(b) What is the probability that a randomly selected fertilized egg hatches between 18 and 20 days?
(c) What is the probability that a randomly selected fertilized egg takes over 24 days to hatch?

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Please help :( The mean incubation time for a type of fertilized egg kept at 100.9°F is 20 days. S...