4. According to American Community Survey, 48% of men in the US have been married at least once by age 30. Suppose we ga
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4. According to American Community Survey, 48% of men in the US have been married at least once by age 30. Suppose we gather a random sample of 505 men from the US and see what percentage of those have been married at least once. a. (1) What is the population in this study? 505 men b. (1) What is the sample in this study? | c. (3) Can we assume that the distribution of sample proportions will be normally distributed? Explain. d. (1) What do we expect for the mean of the distribution of sample proportions? e. (3) What do we expect for the standard deviation of the distribution of sample proportions (the standard error)?