Actual lengths of pregnancy terms for a particular species of mammal are nearly normally distributed about a mean pregnancy length with a standard deviation of 9 days. About what percentage of births would be expected to occur more than 9 days after the mean pregnancy length?

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29 August, 08:48

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Lillian Bruce · Answer 1

10% Because pregnancy usually happens before the expected date but there is also those who are 9 days late witch is pretty common