sploune asessment d-65807 1Bcourse id 32072 18content id- 1555278 1&step-null; 8

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sploune asessment d-65807 1Bcourse id 32072 18content id- 1555278 1&step-null; 8 seconds 200 seconds 48 seconds 40 seconds QUESTION 33 A methods and measurements analyst needs to develop a time standard for a certain task. In a preliminary study, he observed one of his workers perform this task five times, with the following results: Time (seconds) 84 76 80 84 76 How many observations should be made if the analyst wants to be 99.74 percent confident that the is four seconds howmum err n the obsere secoAsme that the standard deviation of each task time is two seconds? Assume that the standard deviation of each task time 25 49 36 QUESTION 34 A methods and measurements analyst needs to develop a time standa study, he observed one of his workers perform this task five times, with the following results: Observation Time (seconds) 84 76 80 84 76 rd for a certain task. In a preliminany 1 2 3 45 ick Save and Submit to save and submit. Click Save All Answers to save all answers Save All Answ 02

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33. How many observations should be made if the analyst wants to be 99.74 percent confident that the maximum error in the observed time is two seconds? Assume that the standard deviation of each task time is 4 seconds

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