Mathematics, 12.11.2019 20:31 anashaye

The mean incubation time for a type of fertilized egg kept at 100.9°f is 21 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 19 days? (b) what is the probability that a randomly selected fertilized egg takes over 23 days to hatch? (c) what is the probability that a randomly selected fertilized egg hatches between 20 and 21 days? (d) would it be unusual for an egg to hatch in less than 18 days? why?

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The mean incubation time for a type of fertilized egg kept at 100.9°f is 21 days. suppose that the i...