Find the value of d. X P(X) X has its probability distribution. 0 2-2d 1 d²-5 2 4d +1 3 2-3d 4 3-2d

Q: If X is a random variable with probability distribution shown below, find E(X). x Pr[X-x] -2 0.1 0…

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Q: Let X refer to the sum of two rolled die. Describe the probabilities of each outcome. If pX(x) is…

A: It is given that x denotes the sum of two rolled dies.

Q: Draw three cards randomly from a standard deck of 52 cards and let x be the number of queens in the…

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Q: 3. A quality engineer at a manufacturing company is keeping track of the number of parts that are…

A: Let X = the number of parts out of the tolerance bounds from first shift and Y = the number of parts…

Q: Match the probability with the calculator command.

A: binompdf(n,p,x)=P(X=x) binomcdf(n,p,x)=P(X≤x)

Q: The plot to the right shows the probability function of a random variable Z. Estimate the needed…

A: For the given plot Find P ( z >=3 or z =-1 ) = ? P ( z >=3 ) +P(  z =-1 ) = P( z = 3 ) + P( Z…

Q: We roll 2 six-sided dice. Let X be their sum and Y be the larger value of the two. Find E[X] and…

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Q: A probability distribution is given. -1 POO 0.2 0.3 0.5 Find caf. Xs-1 0.2 -12 Xs-1 0.2 -12 x<-1 0.2…

A: The cumulative distribution function is on the real number line and it is a non decreasing function…

Q: A student stays at home. Let event N = the student watches Netflix. Let event Y = the student…

A: Result (1)A and B are independent iff P(A and B)=P(A⋂B)=P(A)*P(B)  (2) two events and B are mutually…

Q: In an international school, each staff has to take place in at least 3 community services in a year.…

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Q: 3. Let X = (X1, X2) be an ordered pair that takes the points (-1,1), (0,0), and (1,1) with…

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Q: a is normally distributed. The probability that X is between-t and t is 88%. Find the probability…

A: given data  normal distribution P(-t&lt;x&lt;t) = 0.88 P(x&lt;t) = ?

Q: 4 6. 4 9. 16 25 36 P(X = x) 90 90 90 90 90 Reduce the fraction if you can! Find P(x-D4): Find…

A: Given data,

Q: E and F mutually exclusive events. P(E) = 0.4; P(F) = 0.5. Find P(E|F)

A: We have given that  E and F mutually exclusive events and P(E) = 0.4 , P(F) = 0.5 We have to find…

Q: . A quality engineer at a manufacturing company is keeping track of the number of parts that are…

A: Since you have posted a question with multiple subparts, we will solve the first 3 sub-parts for…

Q: 2. Let the joint probability function of X and Y be given by (x+ x) if x 0, 1, 2 and y = 1, 2 p(x,…

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Q: Find P(x-4): Find P(x=3): Find the probability of at least 5:

A: We will use the given table fro finding the probabilities: a) P (X=4) = 1690 = 845 = 0.177

Q: Draw three cards randomly from a standard deck of 52 cards and let x be the number of jacks in the…

A: Suppose a random variable x, defines the number of jacks in the draw.