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As another part of the same research project, you are evaluating the idea that students at UMD are more than part-time workers. You sample 81 UMD students and find that they work, on average, 27 hours per week, with a sample standard deviation of 21 hours per week. 2a. Write out null and alternative hypotheses for your significance test. Be sure to say which is which. You can answer in English or in symbolic notation.2b. Do the calculations necessary to evaluate these hypotheses using a t test at the 95% confidence level. Report your t value and your t* critical value.2c. What do you conclude about your hypotheses
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Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.
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Peyton's field hockey team wins 4 games out of every 7 games played. her team lost 9 games. how many games did peyton's team play?
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As another part of the same research project, you are evaluating the idea that students at UMD are m...
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