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A batch of 5000 electric lamps has been a mean of 1000 hours and a standard deviation of 75 hours.

Assuming a normal distribution a) how many lamps will fall before 900 hours b) how many lamps will fall between 950 and 1025 c)what is proportional ...

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Construct a 99% confidence interval estimate of the difference μs−μf?

Randomly selected 15 student cars have ages with a mean of 8 years and a standard deviation of 3.4 years, while randomly selected 28 faculty cars ...

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Review of the deviations from standard processes and practises is the key job of Requriemetn?

... Reviewer. State True or False

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How is the value of crude oil determined?

If the U.S. dollar is the standard currency for purchasing crude oil why does the price of crude oil vary with the value of the ...

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A batch of 5000 electric lamps has a mean life of 1000 hours and a standard deviation of 75...

... hours. Assume a normal distribution. i) How many lamps will fail before ...

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Upper ear piercing, second lower ear piercing, or none? Help!?

Hi there, So, I'm a girl who already has a piercing in each ear in the standard spot, smack dab in ...

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Does the Bible, have a standard for marriage?

In this new age, how important is it , since it was written so long ago?

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