# Rasmussen STA3140 final exam 2016

**Tutor description**

Question Mark 1.00 out of 1.00 Flag question Question text Find the critical value zα/2 that corresponds to a degree of confidence of 98%. Select one: a. 1.75 b. 2.33 c. 2.05 d. 2.575 Question 2 Correct Mark 1.00 out of 1.00 Flag question Question text Find the margin of error for the 95% confidence interval used to estimate the population proportion. n = 163, x = 96 Select one: a. 0.0755 b. 0.00291 c. 0.132 d. 0.0680 Question 3 Correct Mark 1.00 out of 1.00 Flag question Question text Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. n = 165, x = 138; 95 percent Select one: a. 0.779 < p < 0.892 b. 0.791 < p < 0.881 c. 0.780 < p < 0.893 d. 0.790 < p < 0.882 Question 4 Correct Mark 1.00 out of 1.00 Flag question Question text 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. Margin of err

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