In the united states, the mean age of men when they marry for the first time follows the normal distribution with a mean of 24.6 years. the standard deviation of the distribution is 2.5 years. for a random sample of 63 men, what is the likelihood that the age when they were first married is less than 24.8 years? (round your z value to 2 decimal places. round your answer to 4 decimal places.)