An urn contains m number of red balls and n number of white balls. Two balls are selected without replacement at random from the urn. Prove P(first ball is red | second ball is white) = m/(m+n-1)

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Q: For a standard normal distribution, find: P(-0.87 z<-0.03)

A: GivenP(-0.87&lt;z&lt;-0.03)

Q: 6) You ask your friend to randomly write down a 5 digit number. What is the probability that he…

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Q: π ). The pair (μ(π ), σ (π )) trace out a curve in the plane as π varies from 0 to 1. Plot this…

A: For x1 variable μ1 = 1 and σ1 = 0.1' For x2 variable μ2 = 0.8 and σ2 = 0.12 ρ = −0.8.   0.1

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Q: Let X be a Poisson random variable with E(X) = 3. Find P(2 < x < 4).

A: When X~ Pois(λ) P(X=x)=e-λ λx/x!  ; X=0,1,2,3,.. result: r!=r(r-1)(r-2)..3x2x1

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Q: Suppose that P(A|B)=0.1, P(A|B')=0.3, and P(B)=0.9. What is the P(A)? Round your answer to two…

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Q: 9 Suppose a testing service is to administer a standardized test at a given location on a certain…

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Q: Problem 3 Suppose you are customising a character in your favourite video game, and the character…

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Q: A coin is tossed 5 times. What is the probability that (a) at most 2 heads will occur? (b) at least…

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Q: Suppose that X~ N(100, 20). For some valle x, we have that P(X ≤ x) = 0.7605. What must be the value…

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Q: Q2: Suppose that the j.p.d.f.,ƒ (x, y) = {(x² + y), 0<x< 1, 0 <y<1 zero elsewhere. Find: a- The…

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Q: 1. Do the following functions define DFs? 0 if x 1/1 = & 1-- X if x 1 (iii) F(x) = -e-x if x < 0…

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Q: If A and B are independent then P(A and B)= P(A/B).

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Q: Starting at some fixed time, let F(n) denotes the price of a First Local Bank share at the end of n…

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Q: A ball is drawn randomly from a jar that contains 2 red balls, 4 white balls, and 9 yellow balls.…

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Q: 14. How many different arrangements are there of all the letters in the word PINEAPPLE? a. 362 880…

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Q: Question 1 Answer the following question on a paper and scan it as pdf: Parent 50 cases 30 in class…

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Q: In a group of 78 people; 24 drink tea and 31 drink coffee. Find the probability that a person picked…

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Q: What type if variable is color vision status categorical or quantitative

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Q: 3.1 3.2 Determine the probability of spotting a zebra first out of all the animals. Give the answer…

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Q: How many possible outcomes are there in the sample space of an experiment that consists of picking a…

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Q: If P(A)= 0.7 and P( B)= 0.6, find P (AUB) if: A and B are where Be is complement of B (not B)…

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