The random variable X has the following probability distribution. X -1 4 7 8 (b) P(X ≥ 1) P(x) (c) P(X ≥ 4) 0.4 0.15 0.25 Find the following probabilities. (a) P(X>0) 0.2 (d) P(2 ≤X ≤6)

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A: Given b=0.15 c=0.14

Q: (a) P(x ≥ 12 orx< 10) = (b) P(x=9)= (c) P(9 ≤x<11) =

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Q: Using historical records, the personnel manager of a plant has determined the probability of X, the…

A: Step 1:Given : Step 2:A.P(2≤x≤5)=P(x=2)+P(x=3)+P(x=4)+P(x=5)        =0.309+0.3398+0.2199+0.0796…

Q: Find the probability of 8 or fewer Mexican-Americans among 12 jurors.P(x≤8)= ______ .

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Q: The probability distribution of the random variable X is shown in the accompanying table. x     −5…

A: it is provided that,P(-5)= 0.17 P(-3)= 0.12P(-2)= 0.31P(0)= 0.17P(2) = 0.13P(3) =…

Q: Assume that 12 jurors are randomly selected from a population in which 78% of the people are…

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A:

Q: Assume that 12 jurors are randomly selected from a population in which 82% of the people are…

A: Given, that 12 jurors are randomly selected from a population in which 82% of the people are…

Q: f n = 5 and p = 0.40, what is the probability that: (a) X = 4?                            (b) X ≤…

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A:

Q: Handwritten

A: Steps

Q: (1) Hx %3D (1) ox

A: Given,n=20p=0.6(1-p)=(1-0.6)=0.4X~Binomial(n=20 , p=0.6)

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A:

Q: Ahmed recently caught Covid-19. He had contact to 7 persons. Let X be the number of persons he…

A:

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A: a) The total probability must be equal to 1. So, p(4)=1-0.63+0.18+0.12+0.05=0.02

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A:

Q: Let y denote the number of broken eggs in a randomly selected carton of one dozen eggs. Suppose that…

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Q: Using historical records, the personnel manager of a plant has determined the probability of X, the…

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