SOLUTION: Hi... I'm stuck, and don't know where to begin.
The length of human pregnancies varies normally with a mean of 266 days and a standard deviation of 16 days.
What percentage o
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Question 1081375: Hi... I'm stuck, and don't know where to begin.
The length of human pregnancies varies normally with a mean of 266 days and a standard deviation of 16 days.
What percentage of pregnancies last longer than 282 days?
16%
5%
68%
32%
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Calculate a z score and then calculate the probability from the z score,
Find , then the percentage of pregnancies longer would be,
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