5.4 Unexpected Expense: In a random sample of 765 adults in the United States, 322 say they could not cover a $400 unexpected expense without borrowing money or going into debt.

(c) What is the point estimate for the parameter? (provide your answer as a proportion, rounding to three decimal places) (d) What is the name of the statistic can we use to measure the uncertainty of the point estimate? O Standard Error O Mean Error O Standard Mean Standard Deviation (e) Compute the statistic from part (d) for this context (please round answer to three decimal places)