Consider the random variable Y- binom(24, 0.7) Select the value of E[ Y) 4.9 23.3 none of these 16.8

Q: Q. 4 Suppose in a University out of 200 Professors, 12 Professors have blood type O-negative. A…

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Q: The discrete random variable X has probability as follow: Determine the following: a) a. b) P(-1…

A: We know that  The sum of the probability is equal to 1. ∑P(X=x)=1

Q: 1 X is the random variable such that X ~ B(12, 0.7). Find: b Var(X) a E(X) 2 X is the random…

A:

Q: uppose that Xand Yare random variables such that Var(a) = 9, Var(Y - 4, and the correlation is -1/6.…

A: It is given that Var(X) =9, V(Y) =5, correlation is -1/6.

Q: In a two-tailed test, with α=0.01 , and N is 41. b) Is the tobt of +4.0 of significant?

A: b) The level of significance is 0.01. The degrees of freedom is, df=n-1=41-1=40 Computation of…

Q: b) Let N be a random variable which takes on values integer 0, 1, 2, ... . The variable N follows…

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Q: Suppose X is a random variable with PMF given by the following table: x = 1, 2, 3, 4

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Q: About 15% of a town's popula. of customers that arrive at a c (a) What type of random va parameters…

A: Solution:  Let X count the number of customers  that arrive at a certain restaurant until tenth…

Q: random Let X be a binomial variable with mean 1 and variance 3. The probability that X takes the 4…

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Q: 5. Suppose that X and Y are two independent discrete random variables, where X and Y only take…

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Q: Suppose a study of speeding violations and drivers who use cell phones produced the following data:…

A: To find: The probability that the chosen person uses a cell phone while driving.

Q: Let X₁, X2, X3, X4, X5 be an independent and identically random variables following a Binomial…

A: Dear student, According to Bartleby guidelines we can answer only first 3 subparts at once. If you…

Q: Suppose X and Y are two independent random variables with: X Y mean 2 -5 st dev 2 4 The mean of…

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Q: Which of the following statements are true about the sum of discrete, independent random variables?…

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Q: 0.9301 0 8943

A: To find the approximate value of z

Q: Show that their correlation coefficient is p =1_if a > 0 for any b =- 1 if a<0 for any

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Q: R is a Binomially distributed Random Variable such that r~ B(10,0.4 Which of these statements are…

A: 16 Given information: R is Binomially distributed random variable with B(10, 0.4) That is, n=10 and…

Q: Suppose that events E and Fare independent with P(E) = 0.8 and P(F) = 0.9. What is P/E and F)? Round…

A: Answer: From the given data, E and F are independent events P(E) = 0.8 and P(F) = 0.9

Q: Suppose a and b be two possible values of a random variable X with a > b The probability that lies…

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Q: Consider the experiment of selecting a number at random from the interval (-1,1]. a) Construct an…

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Q: а. Р (X 0.5)

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Q: Suppose X-N(0,1) and Q1 and Q2 are Chi-Square Random Variables with n, and n2 degrees of freedom,…

A: Given that X~N0,1 and Q1~Χn1 and Q2~Χn2  Q1 and Q2 are independent.

Q: A random variable x can have five values: 0, 1, 2, 3, 4, 5. The probability distribution is:   x 0…

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Q: True or false: P(X-7)=P(Y=3).

A: Let X be a binomial random variable with n=10 and p=0.3. Let Y be a binomial random variable with…

Q: Let X be a binomial random variable with mean u = 3.6 and %3D variance o? 2.52, find %3D

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Q: A random variable has CDF given by S. A i = 0, 1, 2 1 i = 3 if A = 0.2, then what is po? F₁ =…

A: A random variable has cumulative distribution function (CDF) given by:If the objective is to find :

Q: Which of the following is a continuous random variable Number of accident on highway Waiting time at…

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Q: Determine the value of K

A: Given information: fx=K1+x2, -∞&lt;x&lt;∞ Condition for valid density function, ∫-∞∞fxdx=1.

Q: Let T be the random variable that models the lifespan of a cellphone battery (in months). It is…

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Q: Suppose X. 1 and 2 are three independent normal random variables. X has an expected value Variable…

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Q: (3) Let X be a random variable with p.d.f 3x* + 6x) 0<x<l , then E(4x) is (12 12 (c) (d) 12 (b) (e)…

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Q: a.b.c

A: Standard normal distribution:The standard normal distribution is a special case of normal…

Q: A random variable has CDF given by Ai {A 1 = 0,1,2 1 i = 3 if A = 0.1, then what is po? F; =

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Q: A random variable has CDF given by [ A i = 0,1,2 F: =

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Q: Which of the following random variables could be treated as continuous? A number of apples in a bag…

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