Question regarding self-evident facts
Derive the formulas for the lower and upper conf bound given in the lecture notes, starting from the given self-evident facts. The answer will be for a general confidence level (95% confidence)
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If a person bought 1 share of Google stock within the last year, what is the probability that the stock on that day closed within $45 of the mean for that year? Mean = 521.64, S= 56.29
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A study showed that 65% of the nation believes we are still in a recession. In a class of 20 students what is the probability that all of the class believe we are in the recession? Please show work to verify answer.
Assume that you calculated a 95% confidence interval for the mean newborn length of babies born in the United States to be 17 to 20 inches. Explain in words what this confidence interval means. Note: be careful because it does not mean that there
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