Find standard deviation of ages if oldest textbook is known
Out of a total of 10 college textbooks estimate the standard deviation of their ages if the oldest textbook is known to be 7.9 years old and the newest textbook is 1.3 years old.
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The next two questions refer to the following table where x= the number of days per week that 100 clients use a particular exercise facility. Complete the column of cumulative frequency
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Photoking transfers old home movies primarily supper 8 film and VHS tape to DVD, the current year's projected sales volume is 2,000 units the company has been selling the services for an average of $ 200 per record DVD.
Why isn't EUP (equivalent units of production) 33,500 instead of 28,500? Since, the BWIP as to weighted average is suppose to always be 100%.
Suppose that the price of stock A is AED 25 and its standard deviation is 5. The average market price for all similar stocks is AED 20.Another stock B has a price of 30 and standard deviation of 15. Which stock performed better relative to the mar
What is the probability that a salesperson selected at random will have below average sales ability and fair potential for advancement?
Question: A black and red die are thrown and let X be a random variable denoting the sum of the dice
If the civil service wishes to set a cut-off score on the exam so that 15% of the test takers fail the exam, what should the cut-off score be?
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