pregnancies in a small rural village are normally distributed with a mean of 262 days and a standard deviation of 12 days. A distribution of values is normal with a mean of 262 and a standard deviation of 12. What percentage of pregnancies last beyond 224 days?

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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The lengths of pregnancies in a small rural village are normally distributed with a mean of 262 days and a standard deviation of 12 days. A distribution of values is normal with a mean of 262 and a standard deviation of 12.

What percentage of pregnancies last beyond 224 days?

P(X > 224 days) =______

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