SOLUTION: An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 25.1 years of age. If the standard deviation is assumed to be 4

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Question 841094: An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 25.1 years of age. If the standard deviation is assumed to be 4.7 years, find the probability that a random sample of 31 U.S. women would show a mean age at marriage of less than or equal to 23.9 years. (Give your answer correct to four decimal places.)

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Q:
An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 25.1 years of age. If the standard deviation is assumed to be 4.7 years, find the probability that a random sample of 31 U.S. women would show a mean age at marriage of less than or equal to 23.9 years. (Give your answer correct to four decimal places.)
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A:
Excel Formula:
=normsdist((23.9-25.1)/(4.7/sqrt(31)))
Answer: highlight%280.0776%29