Giving a test to a group of students, the grades and gender are summarized below   A B C Total Male 12 16 4 32 Female 13 20 14 47 Total 25 36 18 79 If one student was chosen at random, find the probability that the student was female.    Give your answer as a fraction or decimal.

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A: Researchers often conduct simulation to determine the p-value for testing a hypothesis.

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A: Normal distribution are symmetric about mean.

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A: HERE use given information  and basic probability and sample space

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A: It is needed to find the proper statistical test.

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Q: Show that if x ~ Nm (u, 2), where N is positive definite, then (x – u)'N-I (x – µ) ~ Xm: 2

A: Given  x~Nmμ,Ω, where Ω is positive definite.

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A: Given (1.52,2.04)

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A: Given,sample size(n)=37mean(μ)=94standard deviation(σ)=0.6

Q: 3. The p-value for a right tailed test is 0.042. wWhich of the following statements is NOT TRUE? *…

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A: here it is without replacement model so use hypergeometric distribution

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A: From the given information we find the rejection region.   (-∞, -2.7079] ∪ [2.7079, ∞)

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Q: Question 2 Write the number that corresponds to the correct answer. Specify the null and the…

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Q: erages 1.4 hours of waiting time there. Management has allowed a 12 percent buffer for unexpected…

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Q: Suppose we run the following OLS regression JobStr = B1 + B2 M+ B3 Erp + B, Edu + u to explain an…

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Q: If X and Y have the joint pdf fxx(x. y) 20sx<ys 1 fr(1/2) = fxpy-1/2(1/6) P(0<X<1/8 Y-1/2)

A: