Mathematics, 13.10.2021 23:10 roro67
2. In a sample of 50 IT help desk workers, the average number of tickets closed an hour was 4 (s=5). a. Calculate a 95% confidence interval for the average tickets closed an hour. Be sure to show all relevant intermediate values. b. Interpret the meaning of this confidence interval.
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Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?
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Simplify each expression. use positive exponents. show work . (x β2 y β4 x 3 ) β2
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2. In a sample of 50 IT help desk workers, the average number of tickets closed an hour was 4 (s=5)....
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