16. Northwood manufacturing has hired you to help a troubled process. You find out they have...
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16. Northwood manufacturing has hired you to help a troubled process. You find out they have no engineering and quality systems in place to control their production of their fan's crying towels. The process is normally distributed and you instruct the employees to start sampling for quality control. The maximum error or half interval width you determine to be h=0.392. If you want to maintain a 95% confidence (ie.. Z @ 95% two sided), and the population standard deviation is 2.00, what is the sample size you should use? a. 50 b. 100 c. 196 d. 251 16. Northwood manufacturing has hired you to help a troubled process. You find out they have no engineering and quality systems in place to control their production of their fan's crying towels. The process is normally distributed and you instruct the employees to start sampling for quality control. The maximum error or half interval width you determine to be h=0.392. If you want to maintain a 95% confidence (ie.. Z @ 95% two sided), and the population standard deviation is 2.00, what is the sample size you should use? a. 50 b. 100 c. 196 d. 251
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