Mathematics, 29.04.2021 19:00 afolmar2006
researcher records the repair cost for 27 randomly selected VCRs. A sample mean of $74.63 and standard deviation of $26.00 are subsequently computed. Determine the 90% confidence interval for the mean repair cost for the VCRs. Assume the population is approximately normal. Step 1 of 2 : Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
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Is it true or false iām trying to pass this test so i can leave school
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The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
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If f(x) = 6x ā 4, what is f(x) when x = 8? a2 b16 c44 d52
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researcher records the repair cost for 27 randomly selected VCRs. A sample mean of $74.63 and standa...
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