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21 How many observations should a stopwatch time-study analyst plan for in a task that has a standard deviation of 1.50 minutes per piece if the goal is to estimate the mean time per piece to within 0.2 minute with a confidence of 99.0 percent? (Round the intermediate calculations to 2 decimal places. Round the final answer to the next whole number.) Observations

21 How many observations should a stopwatch time-study analyst plan for in a task that has a standard deviation of 1.50 minutes per piece if the goal is to estimate the mean time per piece to within 0.2 minute with a confidence of 99.0 percent? (Round the intermediate calculations to 2 decimal places. Round the final answer to the next whole number.) Observations

FINANCIAL ACCOUNTING
FINANCIAL ACCOUNTING
10th Edition
ISBN:9781259964947
Author:Libby
Publisher:Libby
Chapter1: Financial Statements And Business Decisions
Section: Chapter Questions
Problem 1Q
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21 How many observations should a stopwatch time-study analyst plan for in a task that has a standard deviation of 1.50 minutes per piece if the goal is to estimate the mean time per piece to within 0.2 minute with a confidence of 99.0 percent? (Round the intermediate calculations to 2 decimal places. Round the final answer to the next whole number.) Observations
Transcribed Image Text:21 How many observations should a stopwatch time-study analyst plan for in a task that has a standard deviation of 1.50 minutes per piece if the goal is to estimate the mean time per piece to within 0.2 minute with a confidence of 99.0 percent? (Round the intermediate calculations to 2 decimal places. Round the final answer to the next whole number.) Observations
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