The Bureau of Labor Statistics announces that last month It interviewed all members of the labor force in sample of 55.000 households: 4.9% of the people interviewed were unemployed The boldface number margin of error: parameter: statistic. If the value 36 is not row in Student $ distribution Table what value should be used for the degrees of freedom? A.30 C.40 D. 100 Suppose sample 0f 37 students is drawn from large lecture. What is the value of the degrees of freedom? A. 36 B. 37 D. 38 A random sample of 14 evenings (6 to 9 PM: at the 0 Sullivan household showed the family received an average of 5.2 solicitation phone calls each evening The sample standard deviation was 1.9. Find 9590 confidence interval for the population mean number of solicitation calls this family receives each night 20. Computer Depot is large store that sells and repairs computers_ random sample of H0 computer repair jobs took technicians an average of 93.2 minutes per computer: Assume that & is known t0 be 16,9 minutes, Find 99" confidence interval for the population mean time for computer repairs.