Jump to question: 1 2 3 5 2000 randomly selected people were asked if they would be interested in joining the KiwiSaver

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Jump to question: 1 2 3 5 2000 randomly selected people were asked if they would be interested in joining the KiwiSaver

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Jump To Question 1 2 3 5 2000 Randomly Selected People Were Asked If They Would Be Interested In Joining The Kiwisaver 1
Jump To Question 1 2 3 5 2000 Randomly Selected People Were Asked If They Would Be Interested In Joining The Kiwisaver 1 (193.8 KiB) Viewed 30 times
Jump to question: 1 2 3 5 2000 randomly selected people were asked if they would be interested in joining the KiwiSaver retirement savings programme. 300 said they would. a) a What multiplier should we use to find a 95% confidence interval for the proportion of people interested in joining the KiwiSaver programme? 2DP b) a Construct a 95% confidence interval for the proportion of people who would be interested in joining the KiwiSaver programme. 1 The lower limit is: 4DP 1 The upper Limit is: 4DP 1 c) To obtain a 95% confidence interval for a true proportion t with a margin of error of no more than 0.03, what sample size should you use given you don't know p. (NOTE when calculating sample sizes, round UP to the nearest integer.)
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