33. For calculating the p-value of the correlation coefficient ir) with n pairs of data points, the degrees of freedom equal An- 2 B. n- 1 C. n D. 2n E. n 34. A measurement of 16 resistors gives a mean of 99 ohms and a standard deviation of 2 ohms. What is the lower bound of the confidence interval of the population mean at 95% probability? A. 99 8. 99 - 1.96/2 (C.) 99 -2.13/2 D. 99 -2.58/2 E. 99 - 2.95/2 35. For the same set of resistors, what is the lower bound of the confidence interval of the population mean at 99% probability? A. 99 B. 99 - 1.96/2 C. 99 -2.13/2 D. 99 -2.58/2 E. 99 -2.95/2 36. For the same set of resistors, what is the upper bound of the confidence interval of the population variance at 95% probability? A. 2 + 2.13/2 B. 30/5.23 C. 30/30.6 D. 60/7.26 E. 60/25