The 2006 General Social Survey asked, "What do you think is the ideal number of children for a family to have?" the 1,097 females who responded had a median of 2, mean of 3.16, and a standard deviation of 1.91.

a.What is the point estimate of the population mean? (1 points)

b.Find the standard error of the sample mean. (1 points)

c.Compute the 95% confidence interval of the population mean and interpret it. (2 points)

d.Is it plausible that the population mean could be equal to 2? Explain. (1 points)