Thirty-seven percent of all Americans drink bottled water more than once a week (Natural resources Defense Council, December 4, 2015). Suppose you have been hired by he Natural Resources Defence Council to investigate bottled water consumption in St. Paul. You plan to select a sample of St. Paulites to estimate the proportion who drink ottled water more than once a week. Assume the population proportion of St. Paulites who drink bottled water more than once a week is 0.37, the same as the overall proportion of Americans who drink bottled water more than once a week. Use z-table. a. Suppose you select a sample of 540 St.Paulites. Show the sampling distribution of p (to 4 decimals). E(p) = 0.3700 F = 0.0208 p. Based upon a sample of 540 st. Paulites, what is the probability that the sample proportion will be within 0.01 of the population proportion (to 4 decimals). probability = 1.0000 . Suppose you select a sample of 200 St.Paulites. Show the sampling distribution of p (to 4 decimals). E(p) = 0.3700 F = 0.6083 d. Based upon a smaller sample of only 200 St. Paulites, what is the probability that the sample proportion will be within 0.01 of the population proportion (to 4 decimals). probability = 0.0279
Thirty-seven percent of all Americans drink bottled water more than once a week (Natural resources Defense Council, December 4, 2015). Suppose you have been hired by he Natural Resources Defence Council to investigate bottled water consumption in St. Paul. You plan to select a sample of St. Paulites to estimate the proportion who drink ottled water more than once a week. Assume the population proportion of St. Paulites who drink bottled water more than once a week is 0.37, the same as the overall proportion of Americans who drink bottled water more than once a week. Use z-table. a. Suppose you select a sample of 540 St.Paulites. Show the sampling distribution of p (to 4 decimals). E(p) = 0.3700 F = 0.0208 p. Based upon a sample of 540 st. Paulites, what is the probability that the sample proportion will be within 0.01 of the population proportion (to 4 decimals). probability = 1.0000 . Suppose you select a sample of 200 St.Paulites. Show the sampling distribution of p (to 4 decimals). E(p) = 0.3700 F = 0.6083 d. Based upon a smaller sample of only 200 St. Paulites, what is the probability that the sample proportion will be within 0.01 of the population proportion (to 4 decimals). probability = 0.0279
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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