Compute 95% confidence interval for the proportion p of defective items in a process when it...
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Compute 95% confidence interval for the proportion p of defective items in a process when it is found that a sample of 200 yields 54 defectives. (a) What is a sample size needed to achieve the 95% margin of error less than 0.01? (b) Find an upper and lower confidence bound for a = 0.05. Show all your steps. Compute 95% confidence interval for the proportion p of defective items in a process when it is found that a sample of 200 yields 54 defectives. (a) What is a sample size needed to achieve the 95% margin of error less than 0.01? (b) Find an upper and lower confidence bound for a = 0.05. Show all your steps.
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