Question: Current Attempt in Progress A mail-order company promises its customers that the products ordered will be mailed within 72 hours after an order is placed.



Current Attempt in Progress A mail-order company promises its customers that the products ordered will be mailed within 72 hours after an order is placed. The quality control department at the company checks from time to time to see if this promise is fulfilled. Recently the quality control department took a sample of 50 orders and found that 38 of them were mailed within 72 hours of the placement of the orders. Construct a 98 % confidence interval for the percentage of all orders that are mailed within 72 hours of their placement. Round your answers to one decimal place. i % to i e Textbook and MediaA researcher wanted to know the percentage of judges who are in favor of the death penalty. He took a random sample of 15 judges and asked them whether or not they favor the death penalty. The responses of these judges are given here. Yes No Yes Yes No Yes No No No No Yes Yes Yes No Yes a. What is the point estimate of the population proportion? Round your answer to three decimal places. p b. Construct a 97% confidence interval for the percentage of all judges who are in favor of the death penalty. Round your answers for the confidence interval to three decimal places, and your answers for the percentage confidence interval to one decimal places. The confidence interval is to The corresponding interval for the population percentage is % to
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