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The mean age at which men in the United States marry for the first time

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The mean age at which men in the United States marry for the first time follows the normal distribution with a mean of 24.7 years. The standard deviation of the distribution is 2.6 years.

For a random sample of 57 men, what is the likelihood that the age at which they were married for the first time is less than 25.2 years? (Round z value to 2 decimal places. Round your answer to 4 decimal places.)

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The mean age at which men in the United States marry for the first time is assessed.

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