What is the distribution of X? What is P[X = 2]?

Q: Let X be a Binomial distribution with n = 6 and p = 0.6 (X~ Bin(6,0.6)), then P(x = 3) is Select…

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Q: 2. If X-N(u-3, o²-2). Find the distribution of the following: c. V= 2-4X 5

A: Given distribution is normal distribution X~N(μ=3,σ2=2)

Q: PLEASE SHOW COMPLETE SOLUTION

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Q: Suppose X has the Uniform (0, 1) distribution. Find the median of the distribution of ex correct to…

A: For a random variable (X)) that follows a uniform (0, 1) distribution, the median is the value (m))…

Q: The time that it takes for the next train to come follows a Uniform distribution with f(x) =1/50…

A: (E) Obtain the probability that the time will be at most 15 minutes. The probability that the time…

Q: Which of the following is false? Hint: It might be useful to sketch the distributions.   Z scores…

A: We have given that,  Which of the following is false? Hint: It might be useful to sketch the…

Q: Q. 64 Give the formula for finding the deciles of a continuous distribution.

A: Solution-: We want find what is formula for finding the deciles of a continuous distribution.

Q: A social service organization reports that the level of educational attainment of mothers receiving…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution:-  Given:…

Q: Based on this graph what was the approximate distribution of the averages?  X~___(___,___)

A: Central limit theorem (CLT): According to CLT, for a given sufficiently large sample size from a…

Q: a. What is the distribution of X? X - N( 74 17 b. What is the distribution of ? -N 74 c. If a…

A: It is given that  Mean, μ = 74 Standard deviation, σ = 17 Sample size, n = 15 Z-Score, Z = ( X - μ…

Q: The amount of time a service technician needs to change all four tires on a car is uniformly…

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Q: The F distribution is like the t distribution in that the F distribution consists of a family of…

A: The F distribution is like the t distribution in that the F distribution

Q: 3(cont.) The marketer used the data from the survey to test the claim that less than 91% of all…

A: d. Denote p as the proportion of all teenagers in the United States, who have a cell phone.

Q: Plot an F-distribution (in Excel) with an area of 0.10 at the right tail, with the degree of freedom…

A: Required: To plot an F-distribution with an area of 0.10 at the right tail and df1=20 and df2=16

Q: Q6) From the Uniform Distribution, find the mean and standard deviation from the graph: f (x) 20 20

A: Given : From given graph : Let X be r.v follows uniform dist.  X~U[0,20] a=0 , b=20

Q: Suppose an x-distribution has mean ? = 2. Consider two corresponding x distributions, the first…

A: Solution-: Suppose an x-distribution has mean=2, n=49,n=81 (a) What is the value of the mean of each…

Q: A normal distribution is unimodal distribution. It means that a. Mean, Median and Mode are equal b.…

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Q: The distribution of the number of underinflated tires x on an automobile is given below. Determine…

A: The given distribution of the number of under inflated tires x on an automobile is: .

Q: Which statement is not consistent with the distribution of f ratios? F values that make up the f…

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Q: (a) Mean =10 , median =10 , standard deviation =4   The coefficient of skewness is    . This…

A: Skewness indicates asymmetry of a bell shaped curve. When the bell shaped curve losses symmetry and…

Q: The lengths of a professor's classes has a continuous uniform distribution between 50.0 min and 52.0…

A: Let us denote X=The lengths of a professor's classes Given that X follows a continuous uniform…

Q: normal curve

A: Normal Distribution: Normal Distribution is the probability distribution that is symmetric about the…

Q: The sampling distribution of p, the proportion of groceries thrown out by your sample respondents is…

A: Solution-: Given: n=540,p=0.12 (Or 12%) we choose correct option in the following (a) not normal…

Q: The median of the distribution X having p.d. f. f(x) = {3x",0 < x < 1 0 ,0.w. %3D

A: We have to find median for given pdf.

Q: As the degrees of freedom for the t distribution increases, the distribution approaches       A. a…

A: From the above data As the degrees of freedom for the t distribution increases, the distribution…

Q: The Normal Distribution. The function NORMDIST(x, mu, sigma, TRUE) computes the probability that a…

A: *Answer:

Q: Consider a t-distribution with 3 degrees of freedom. Find P(– 0.89 < t < 2.83)-

A: It is given that the degrees of freedom is 3.

Q: Comment on the skewness of the distribution. [2]

A: given: Q3 – Q2 = 455 – 415 = 40 Q2 – Q1 = 415 - 370 = 45 to comment on the skewness

Q: The binomial distribution applies equally well to discrete and continuous varia a. False O b. True O…

A: Here we have to check whether the given statement is true or false regarding the binomial…

Q: You are given the following data. X = [0.1, 0.21, 0.22, 0.34, 1.1, 1.3, 2.3, 3.22]. Assume you want…

A: We create frequency distribution table to create the histogram. Create class interval and count the…

Q: The t-score distribution for df = 4 resembles the z-score distribution in shape more than a t-score…

A: As we know when the degrees of freedom of t increases the t distribution becomes normal (Z score)…

Q: Students are usually tested on various subjects to determine the level of intelligence. In an…

A: Step 1: Given: N = 2000 μ = 42 σ = 24 Let, X denote the score of MBA programmes. Thus, X~N (42, 242)…