CHAPTER EIGHT

24. For which of the following values of P is the value of P(1 - P) maximized? a. P = 0.99. b. P = 0.90. c. P = 0.01. d. P = 0.50. e. None of the above answers is correct. ANSWER: d. 25. A 95% confidence interval for a population mean is determined to be 100 to 120. If the confidence coefficient is reduced to 0.90, the interval for (a. becomes ... ................
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