Suppose that a college determines the following distribution for X = number of courses taken by a full-time student this semester: Value of X 3 4 5 6 Probability 0.07   0.25 0.28   The probability for X = 4 is missing. What is it?

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A: When  X~Bin(n,p) P(X=x)=nCx×px(1-p)n-x ; x=0,1,2,..,n  Farmula used r!=r(r-1)(r-2)×..×3×2×1…

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Q: average weight of 4150 lb and SD = 450 lb Find each as a 2-decimal percentage - DO NOT put the %…

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Q: QUESTION 6 In the hypotheses level Hл=0.40, H:n>0.40, at 5 % level testing of significance. if the…

A: Given,sample size(n)=49sample proportion(p^)=0.45H0:π=0.40Ha:π>0.40and α=0.05

Q: In a certain municipality, 70% of all residents are at risk of heart disease.  If researchers…

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A: Liklihood maximization technique.

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Q: An electrical firm manufactures light bulbs that have a lifetime that is approximately normally…

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Q: estimated that 60.5% of adults in Nevada have received at least one dose of the COVID-19 vaccine.…

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Q: Given three events A, B and C such that P (A n B n C) = 0 and P(C|A n B) = P(C|B), show that P(A|Bn…

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A: given data  uniform distribution x~U(100,500)P(190<x<386) = ? f(x) = 1b-a = 1500-100 = 1400

Q: (d) What is the median checkout duration ? [solve 0.5 = F(M)]. (e) Obtain the density function f(x).…

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