2. The following table gives the probabilities that a probation officer will receive 0, 1, 2, 3, 4 or 5 rep Find the variance and standard deviation. Probability P(X) 0.15 Number of Inquiries X 0. PAI 0.25 0.36 3 0.18 4. 0.04 0.02

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A: Discaimer : 12:31Since you have asked multiple question, we will solve the first question for you. I...

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A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

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A: We have given that  p = 0.75,     n = 100 The pmf of Binomial distribution is  P(X=x) = nCx*px(1-p)n...

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A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

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A: Excel function to find probabilities of standard normal distribution is ,  "=NORMSDIST(z)"  

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A: Given: x=13n=5005

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Q: 1. Assuming that any skirt can be paired with any blouse, in how many ways can Anna select her outfi...

A: Here listing all possibilities using tree and sample space 

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Q: Evaluate P( 7, 4) 840 804 540 480

A: We have nPr = n!(n-r)! nCr = n!r!*(n-r)!  

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Q: he random variable A has a density functIon f(r) = { cak+1 (1 – x)k for 0 0 and 1< k < 2. hat is th...

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Q: Find the variance, mean, and standard deviation for n = 300 and p = 0.30 when the conditions for the...

A: We have given that  p = 0.30,   n = 300 The pmf of Binomial distribution is  P(X=x) = nCx*px(1-p)n-x...

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Q: For example: (6, 2, 2, 2, 6, 1, 1, 3, 3, 3, 1, 3) has 7 runs: 2,2,2, 6, 1,1, 3,3, 3, 1 (Hint: a run ...

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Q: I. Determine whether Symmetric or Asymmetric Distribution.

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A: Solution is given: