Essay
The number of bolts produced each hour from a particular machine is normally distributed with a standard deviation of 7.4.For a random sample of 15 hours,the average number of bolts produced was 587.3.Find the upper and lower confidence limits of a 98% confidence interval for the population mean number of bolts produced per hour.
Correct Answer:
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σ = 7.4, 
= 587.3,n = 15
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Correct Answer:
Verified
= 587.3,n = 15
± ...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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