QUESTION 5 A new surgical procedure has promising results to alleviate hip pain, but a portion of patients who receive the procedure report an audible squeaking noise coming from the hip within six months. Data from a follow-up study of 143 patients revealed that 10 of them could hear squeaking. How large of a sample size would be necessary if you were targeting a value of E= 0.03 on the confidence interval above? OA. n = 245 OB. n = 364 OC. n = 480 O D. n = 562

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A: given data, n=25x= detectable levels of lead =5p^=xn=525=0.20CI:-  0.99α=1-0.99=0.01

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Q: Question 29

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Q: For a two-tailed test, a sample size of 21 at 80% confidence, t= 1.323 2.539 1.325 2.528

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Q: QUESTION 20 Find the confidence level related to the critical value za2=1.476 O 91% 77% 68% O 86%

A:

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Q: QUESTION 14 The telephone company has the business objective of wanting to estimate the proportion…

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Q: z, Find the confidence level related to the critical value za/2= -1.74. O 91.8% 087.6%

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Q: es. What is the upper bound of the 95% confidence interval for the average jump increase?

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Q: What is the standard error of the 95% confidence interval for the average jump increase?

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Q: A new sneaker claims that it can make male athletes jump higher. A sample of 39 male athletes were…

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