Mathematics, 15.07.2019 12:30, hmu323
Just need with the last question , which is the one about the confidence interval and the terms of the situation? ? asap and ill mark a brainliest a field test for a new exam was given to randomly selected seniors. the exams were graded, and the sample mean and sample standard deviation were calculated. based on the results, the exam creator claims that on the same exam, nine times out of ten, seniors will have an average score within 5% of 75%. is the confidence interval at 90%, 95%, or 99%? what is the margin of error? calculate the confidence interval and explain what it means in terms of the situation.
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Just need with the last question , which is the one about the confidence interval and the terms of...
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