Mathematics, 18.05.2021 18:40 grace7484
A researcher records the repair cost for 22 randomly selected dryers. A sample mean of $84.67 and standard deviation of $18.09 are subsequently computed. Determine the 98% confidence interval for the mean repair cost for the dryers. 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.
Answers: 2
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This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer
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△abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.
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Acafeteria manager can choose from among six side dishes for the lunch menu: applesauce, broccoli, corn, dumplings, egg rolls, or french fries. he used a computer program to randomly select three dishes for monday's lunch. what is the theoretical probability the applesauce and broccoli will both be offered monday?
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A researcher records the repair cost for 22 randomly selected dryers. A sample mean of $84.67 and st...
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