10. [-/1 Points] DETAILS MY NOTES PODSTAT6 9.3.053.S. ASK YOUR TEACHER Need Help? Read It The Bureau of Alcohol, Tobacco, and Firearms (BATF) has been concerned about lead levels in California wines. In a previous testing of wine specimens, lead levels ranging from 45 to 660 parts per billion were recorded. How many wine specimens should be tested if the BATF wishes to estimate the true mean lead level for California wines to within 10 parts per billion with 95% confidence? (Round your answer up to the nearest whole number.) PRACTICE ANOTHER Watch It Submit Assignment Save Assignment Progress Home My Assignments Request Extension Copyright © 1998 - 2022 Cengage Learning, Inc. All Rights Reserved | TERMS OF USE PRIVACY

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