A factory has reported that 81%of their mechanical keyboards remain in a consumer's household over a year. Assuming a z-score of 1.96, calculate the margin of error for a batch of 500 keyboards. A. 3.5% B. 0.95% C. 2.2% D. 8%

A factory has reported that 81%of their mechanical keyboards remain in a consumer's household over a year. Assuming a z-score of 1.96, calculate the margin of error for a batch of 500 keyboards. A. 3.5% B. 0.95% C. 2.2% D. 8%

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 2CYU

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Question

A factory has reported that 81%of their mechanical keyboards remain in a consumer's household over a year. Assuming a z-score of 1.96, calculate the margin of error for a batch of 500 keyboards.

A. 3.5%

B. 0.95%

C. 2.2%

D. 8%

Expert Solution