Out of 100 surgeries tracked in a study, 3 were followed by surgical site infections. Assume an underlying probability of infection p = 5% for each surgery. What is the probability to obtain the exact infection rate calculated from the observations? Write as percentage with two decimal places and without percent sign. Your Answer: Answer

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A: Answer  Favorable cases [X] =34 sample size [n] =138 confidence interval=90% [α] =1-0.9 =0.1 α/2…

Q: Data set 18 includes "attractive" ratings of male dates by the female dates. The summary statistics…

A: n = 199x¯ =6.19s =1.99α = 0.01claim : μ < 7

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A: Suppose we want to check if finding the job of newly graduated students is equal to m days (Null…

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A: Answer: From the given data, Mean (μ) = 25 Standard deviation(σ) = 4.8 X follows normal…

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A: The mean is 146 and the standard deviation is 8.4.

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A: We have data values X=age  , y= Bone density X       Y 34    35745    34148    33160    32965    325…

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A: Given  N [0,1]  P [Z>= -1.05] =? P [Z> 2.05] =? This is right-tailed test.

Q: QUESTION 7 An experiment was conducted to evaluate the effectiveness of a treatment for tapeworm in…

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A: Solution-: Let, X=Grams and Y=Volume in ml Given data: X Y 12 108.4 14.5 132.2 17 148.9…

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A: Answer  P =5%    =5/100   =0.05 sample size [n]=15 x =7

Q: Sketch & label graph of rejec

A: Answer more than 19%  means this is right-tailed test. level of significance =0.05

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Q: what are the requirements for using a t-distribution to calculate a 95% confidence interval?

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A: difference mean =12.88 difference standard deviation =19.223  Standard error of estimate…

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A: From the provided information, Margin of error (E) = 0.05 Confidence level = 99%

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A:

Q: Square this value (r2). Include the value and describe this correlation to someone who is not in…

A: From the given question: Correlation r = 0.759

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A: Given information: μ=50, σ=7.5n=36 a)  μx¯=μ=50σx¯=σn=7.536=1.25

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A: Consider the given information that shows the correlation analysis between two variables.

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A:

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A: Mean = 85 standard deviation=21 we know that Z-score: Z =[x-µ] /σ

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A: Intercept = 2.0256 slope = 0.0289 regression is given by  Length= Intercept+(Slope ×Age)y=…

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A: The data sets are given as- x y 1 14 2 19 3 24 4 29 5 34 6 39 x y 0 0 2 -4…

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A: As per our guidelines we can solve first multiple-choice question and rest can be reposted.…

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A: Mean(µ) = 8.6Standard deviations (σ) = 1.5X ~ N (µ, σ )= N(8.6, 1.5)

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A: The given observed frequency table is  Occupation  E I Row Total  Clergy 67 40 107 M.D 73 89…

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A: According to the given information in this question a) First we need to find mean and standard…