8. A poll taken from a sample of 600 voters found that 58% say the United States spends too little money on funding cancer research. a. Find the 90% confidence interval for the true proportion of voters who believe the United States spends too little on funding cancer research. b. State the margin of error for the confidence interval you found in part a. c. Suppose it is determined that 56% of all voters actually believe the U.S. spends too little on funding cancer research. Was the confidence interval you found in part a. an accurate estimate of the true proportion? Explain.

8. A poll taken from a sample of 600 voters found that 58% say the United States spends too little money on funding cancer research. a. Find the 90% confidence interval for the true proportion of voters who believe the United States spends too little on funding cancer research. b. State the margin of error for the confidence interval you found in part a. c. Suppose it is determined that 56% of all voters actually believe the U.S. spends too little on funding cancer research. Was the confidence interval you found in part a. an accurate estimate of the true proportion? Explain.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 8SGR

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