There are 150 children attending a summer camp. Students were provided with the option to sign up for swimming and canoeing. The results are shown. • 71 children signed up for swimming

• 62 children signed up for canoeing

• 28 students signed up for both swimming and canoeing

Part C: What is the relative frequency of children who signed up for swimming and canoeing to the total number of students who signed up for swimming?

A.
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B.
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C.
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D.
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A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95