. m how many ways can each of the following be drawn from a standard deck of 52 cards? a. three diamonds c. two red cards two picture cards d. four clubs bride

Q: Then the mean number (to the nearest whole number) of students who will finish the exam in less than…

A: here use cumulative distribution of x as given by F(x)

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Q: Probability and Expected value Q.8) a. Define theoretical and empirical probability with examples.…

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Q: Suppose that 70% of all diners choose vegetarian meals when eating away from home. On a randomly…

A: Given : Probability of success,p = 0.70 Probability of failure,q=(1- 0.70)= 0.3

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A: For the given data Find P ( placebo and improvement ) =?

Q: The joint probability density function for X and Y is given by: ((x+y) f(x, y) = x > 0, y > 0,3x + y…

A:

Q: In a technology company, it is known that the average of network failure is 3 per week. What is the…

A: HERE GIVEN , network failure is 3 per week  λ = 3 failure per week

Q: c)  a customer buys three packages and all are corrupt d)  a customer buys three packages and two…

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Q: a) Mobile company Pear has established that mobile phone sales will increase in the next 6 months…

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A:

Q: Let X be a random variable with probability distribution as shown below: 25 2 <x< 10 f(x) = {3x and…

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

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A: Given data n=260 And given  the population after 12 hours is double the population after 1 hour

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Q: Assume that population mean is to be estimated from the sample described. Use the sample results to…

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Q: need the answer quickl

A:

Q: need the

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Q: 4.Suppose that X is a random variable for which E(X)=µ and Var(X)=o². Show that E(X(X-1)]=µ(µ-1)+o?

A: It is given that E(X) = μ and Var(X) = σ2

Q: ce Voting Table from 50 voters and 4 candidates es 19 14 10 7 1. ABCD BDD B C CAC DABA d. Write the…

A: *Answer:

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A: From the provided information, 31% of the company’s order come from first time customers, that is p…

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Q: Question * The joint distribution of the random variable X and Y is given in the following table: 1…

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Q: Then the mean number (to the nearest whole number) of students who will finish the exam in less than…

A: The distribution function is defined as F(x) = P(X ≤ x) Let p be the probability that a student…

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A: Given that  It took a racecar driver 3 hours and 20 minutes to go 500 miles.  Number of miles (y) =…

Q: IV. Use the given data to answer item numbers 26 to 29. 4, 4, 5, 6, 9, 9, 9, 12, 13, 14, 14 26. The…

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Q: Ar, xe(0,2], 3 f(x) = 'is the probability density function for some continuous r.v. 0. 其它 Find A=…

A:

Q: 1%VA M >4 1:YA * Question If a random variable X is defined such that: E(X+4) = 10 and E[CX+ 4)2)=…

A: Variance V(X)= E(X2)- [E(X)]2

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A: Given problem Given that   46)   Jun and Aaron are equally good at chess. They play three games…

Q: sion to tak

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

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Q: Question * Let X and Y be two continuous random variables with joint probability density function…

A:

Q: Let X and Y be two continuous random variables with joint probability density function given by:…

A: First we have to calculate the Var(Y) as Var(Y) = E(Y2) - [E(Y)]2

Q: Let X be a random variable with probability distribution as shown below: , 2<x< 10 0, elsewhere f(x)…

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

Q: The following plot shows the posterior probability distribution using the non-informative and…

A: Solution: The plot of the posterior probability distribution using the non-informative and…

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A: Given : Probability,p = 0.30 number of trial,n = 8

Q: The joint probability distribution function of a discrete random variable is f(x,y) = cxy for x-1,…

A: Given information: fx,y=cx2y for x=1,2,3 and y=1, 4, 16 The value of c is obtained below:…

Q: A psychiatrist is interested in finding a 98% confidence interval for the tics per hour exhibited by…

A:

Q: The joint probability density function for X and Y is given by: ((x + y) f(x, y) = x > 0, y > 0,3x +…

A: For the given joint pdf of X and Y, we need to find the probability:P(0 &lt; X &lt; 1/3)

Q: 15. The true limits of the interval 8.4-8.6 16. The frequency in the interval 8.4-8.9 17. If a…

A: II The given information has presented in the following table as follows: SL. No. X Frequency (f)…

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Q: Are the two events in each scenario mutually exclusive or not? Explain. d) Walking from home to…

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Q: (3) Let A < 0 be a parameter. Show that the function if r 20 if a <0 f(r) = is a probability density…

A: Solution

Q: A card is randomly selected from a standard deck of 52. What is the probability that the card is…

A: Given: A card is randomly selected from a standard deck of 52.

Q: The joint probability density function for X and Y is given by: ((x+y) f(x, y) = x > 0, y > 0,3x…

A: