12. Which of the following would result in a wider confidence interval than that in question 11? a) decrease the margin

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12 Which Of The Following Would Result In A Wider Confidence Interval Than That In Question 11 A Decrease The Margin 1 (49.33 KiB) Viewed 32 times

12. Which of the following would result in a wider confidence interval than that in question 11? a) decrease the margin of error b) increase the sample size c) decrease the level of confidence d) decrease the sample size Use the following information from the results of a survey concerning the ability to recall an advertisement for a particular product and the actual purchase of the product to answer questions to answer questions 13 - 15: Could recall Could not recall 8 4 Purchased product Did not purchase the product 12 16 13. If one subject is selected at random, calculate the probability P(could recall or purchased the product). 14. If two subjects are selected at random (without replacement), calculate the probability P(both could not recall). 15. If one student is selected at random, calculate the probability: P(purchased the product could recall).