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Question #1: Suppose that a survey is planned to estimate the proportion of population that is right-handed. Calculate the confidence intervals for the following

Question #1: Suppose that a survey is planned to estimate the proportion of population that is right-handed. Calculate the confidence intervals for the following scenarios: a. In a sample of 100 people, 75 were right-handed. Calculate the 90% and 95% confidence interval. b. In a sample of 300 people, 225 were right-handed. Calculate the 90% and 95% confidence interval. Note: Careful rounding, might need 3 decimal in CI to see difference.

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