A medical researcher wants to do a study on the proportion of knee replacement surgeries that result in complications. How many surgeries should she sample to estimate the proportion to 4.5% with 90% confidence? O 600 334 O 601 O 599 O 1842 O 333 O 1843 O 1844 O335

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Q: You are given: (i) 1 for 0Sx <110. 110-x (ii) 8=0.05 Find 19 A20.

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Q: _26 The Weibull density function is given by 'e-y™ /a¸ y>0, f(y) = { a | 0, elsewhere, where a and m…

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Q: Year 1850 1900 1950

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Q: Find the area under the t-distribution from t=-2.552 to t= 2.552 at df = 18.

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