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The lengths of pregnancies in a small town are normally.r distributed with a mean of 263 clays and a standard deviation of 12 days. What

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The lengths of pregnancies in a small town are normally.r distributed with a mean of 263 clays and a standard deviation of 12 days. What proportion of pregnancies last fewer than 293 days? Give 1your answer rounded to 4 places after the decimal. FUN: 293 days] =

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