Q3) Eighty-four student (67 from moming and 17 from evening) in second stage of electronic branch have a mean degree in statistic and probability is 20 and standard deviation is 0.2. Find the probability of random sample of 8 student (5 from morning and 3 from evening) chosen from Eighty-four student will have a combined mean degree more than 21.

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A: Given information: PPrefer tunnel=45=0.80PPrefer Bridge=1-PPrefer tunnel=1-0.80=0.20

Q: need

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

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A: Given Data : Population Mean,μ = 493 Population Standard Deviation,σ = 115

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A: 14)GivenTotal no.of cards in a deck = 52No.of red cards in a deck = 26No.of black cards in a deck =…

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A: Ans - Given A card is drawn from a standard deck of 52 cards.           Find the probability that…

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A: Given that

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Q: V. How many different ways can the letters of each word can be arranged?

A: HERE USE COUNTING PRINCIPLE

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Q: Let cov(X,Y) = var(X) = and h(y) = }* (4y, 0<y<1 %D %3D 45 45 elsewhere Then the value of var(2X +…

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Q: Question Let X and Y be two continuous random variables with joint probabilit given by: f(x, y) = {…

A: Solution

Q: II. Evaluate the following permutations.

A: here use permutation formula

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Q: ) Let {X(t)} be a BM with parameter σ = 2 and X(0) = 0. Find P(T−1 < T2 < T−2).

A: Given that - Let {X(t)} be a BM with parameter σ = 2 and X(0) = 0.

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Q: Suppose X, Y are two discrete random variables with probability function given by: Y X-1 1/8 1/8 1/8…

A: Multiplication of marginal probabilities are are compared with joint pmf.

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A: here given ,  Suppose we pick two cards from a standard deck of cards, without replacement.  there…

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Q: I 2 3 If A = | 2 4 .6 verify (54)Y = 5.A". | 2 3

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Q: Let X be a random variable with probability distribution as shown below: 2 <x< 10 f(x) = 3x and g(X)…

A: The E(g(X)) is calculated as E(g(X)) = E(10X + 5) = 10.E(X) + 5

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A: As per policy I have solve first three subparts.for the rest please reupload questions See the…

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