A sample of 100 respondents produces a mean presidential approval…

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Question Answered step-by-step A sample of 100 respondents produces a mean presidential approval… A sample of 100 respondents produces a mean presidential approval rating of 40 and a standard deviation of 10.  Using the formula for standard error, what are the 95% confidence intervals for this point estimate (supposing we use 2 as our critical value). A) 30, 50 B) 38, 42 C) 98, 102 D) There is not enough information here to determine the answer.  Math Statistics and Probability PADM 60371 Share QuestionEmailCopy link Comments (0)