Suppose a normal distribution has a mean of 79 and a standard deviation of 7. What is P(xs 65)? O A. 0.975 В. 0.84 С. 0.025 D. 0.16

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A: Farmula used  V(Y)=E(Y2)-[E(Y)]2  

Q: 2468 4278 3981 7119 2000 1643 1876 1077 1858 4105 5835 1500 3183 2114 1355 2478 1932 1697 1000 1512 ...

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Q: A simple random sample of 736 photographers found that 65% plan to purchase new equipment within the...

A: Given that  n=736 , p=65%=0.65 , q=1-p=1-0.65=0.35 Formula for Standard deviations  SD=√((p*q)/n)

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A: Please find the step by step solution below. Hope it will help. Thank you

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A: a) The correlation is negative because the graph shows a decreasing trend.

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A: Solution

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A: Result Bias(θ)=E(θ^)-θ≠0   

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A: Let X be the defective parts  n=sample  p=5%  Farmula used  p^=X/n   

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Q: (3) Let x1, X2, ·. , Xn Gamma(2, a), à > 0, a > 0. That is the density of x1 is cra-le-àx, if x > 0,...

A: We have given that  Let X1 X2......Xn follows iid Gamma distribution with G(lambda, alpha)   Then We...

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A: Disclaimer : “Since you have posted a question with multiple sub-parts, we will solve first three su...

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