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Arithmeti Essay Topics & Paper Examples

´╗┐Chapter 7 Exam Review. Solve the problem.

1) Find the critical value that corresponds to a degree of confidence of 91%. A) 1.70B) 1.34 C) 1.645 D) 1.75 2) The following confidence interval is obtained for a population proportion, p:0.817 < p < 0.855 Use these confidence interval limits to find the point estimate, A) 0.839 B) 0.836 C) 0.817 D) 0.833 Find the margin of error for the 95% confidence interval used to estimate the population proportion. 3) n = 186, x = 103 A) 0.0643 B) 0.125 C) 0.00260 D) 0.0714 Find the minimum sample size you should use to assure that your estimate of will be within the required margin of error around the population p. 4) Margin of error: 0.002; confidence level: 93%;…