The probability distribution of a random variable X is given. 14 х 10 11 12 13 15 1/8 1/8 2/8 1/8 Compute the mean, variance, and standard deviation of X. (Round your answers to two decimal places.) Р(Х 3 х) 2/8 1/8 mean variance standard deviation

Q: A random variable X has the following probability distribution. Values of X -1 1 Probability 0.22…

A: We have given that Values of x -1 0 1 ProbabilityP(x) 0.22 0.56 0.22

Q: If X is normal random variable with mean 3 and variance 5, then find the probability P(2 < X <6).

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Q: The X chance variable is continuously distributed smoothly between 2 and 8. The expected variance of…

A: X~U(2,8) we want to find the variance of x  V(X)= ?

Q: Calculate ​P(2.5≤x≤4​). b. Determine ​P(x<3​). c. Compute the​ mean, μ​, and the standard​…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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Q: 3. Find the mean and variance of the random variable using the values in the table below. f(x) 0.25…

A: For the given data Find Mean =? variance =?

Q: The probability distribution of a random variable X is given. -4 -2 2 4 P(X = x) 0.2 0.3 0.1 0.2 0.2…

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Q: Find the mean, variance, and standard deviation for the probability distribution given below:   X -3…

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Q: 2 A random variable, x, has a normal distribution with mean 4 and standard deviation 0.8. Calculate…

A: Note: According to our guidelones i can solve only 3 subparts of a question please repost other…

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Q: et X be a random variable with the following probability distribution: -3 6 9 f(x) | 1/6 1/2 1/3…

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Q: Suppose X takes the value 1 with probability P, and the value 0 with probability (1-P). The…

A: Variance formula is:

Q: A random variable is binomially distributed with n= 16 and T = 40. The expected value and standard…

A: Solution-: Let, X=be the random variable with n=16 and p=0.40 Given:  We find, Mean and standard…

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Q: B. X is a normally distributed random variable with a mean of 60 and a standard deviation of 8. Find…

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Q: Given normally distributed random variable X with a mean of 10 and a variance of 4, find the…

A: From the provided information, Mean (µ) = 10 Variance (σ2) = 4 Standard deviation (σ) = √4 = 2 X ~N…

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A: Given Data: x P(x) x P(x) x^2 P(x) 0 0.04 0 0 1 0.24 0.24 0.24 2 0.35 0.7 1.4 3 0.13…

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Q: A random variable X has a binomial distribution, and a random variable Y has a Poisson distribution.…

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Q: A discrete random variable X has variance 3. Which of the following is the variance of 3X - 2? 25 3…

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Q: 2) For a standard normal random variable, find the point in the distribution in which 11.9% of the…

A: The given probability value is 0.119=11.9100.

Q: Find the mean, variance and standard deviation for the probability distribution given below:   X…

A: Compute the mean for the probability distribution. From the information, given that the probability…

Q: The random variable x represents the number of credit cards that adults have along with the…

A: Given data is x P(x) 0 0.07 1 0.68 2 0.21 3 0.03 4 0.01

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Q: If 5 is mean of a poisson distribution, then the variance is

A: If 5 is mean of a poisson distribution, then the variance is

Q: The discrete random variable X has the probability distribution given by: 2 4 6 8 P(X= x) 0.15 0.15…

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Q: A random variable is binomially distributed with n= 16 and T = 40. The expected value and standard…

A: Binomial Distribution : The binomial distribution consists of the probabilities of each of the…

Q: A random variable, X, has a mean of 50 and standard deviation of 10. Which of the following…

A: we have to find given probability.

Q: 3. Find the variance and standard deviation of the probability distribution of a random variable X…

A: Variance=EX2-E2(X)=22920+42120+5215+32310-2920+4120+515+33102=10.3-32=1.3

Q: 10 A nature reserve has one bird of an uncommon species which frequents the large expanse of reed…

A:

Q: Find the variance and standard deviation of X

A: The variance can be calculated as V(X) = E(X2) - [E(X)]2

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Q: The probability distribution of a random variable X is given. x     10         11         12…

A: We have given the probability distribution of random variable x.

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Q: q14- If the random variable X is normally distributed with a mean of 75 and a standard deviation of…

A: Option D is correct.

Q: Find the mean, variance and standard deviation for the probability distribution given below:   X…

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Q: Find the mean, variance and the standard deviation of the probability distribution of the random…

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Q: a) The random variable X has a binomial distribution b(11, p). If P(X =8)= P(X =7), find the value…

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Q: 1. Let Y be a random variable with probability distribution given by the following table: y ㅇ 1 1 1…

A: Solution-: Let, Y-be a random variable with probability distribution given by the following table:…

Q: The discrete random variable X has the probability distribution given by: -4 -2 2 4 P(X= x) 0.3 3k k…

A: The probability distribution of random variable X is given.

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Q: 5.27 Find the variance and the standard deviation. A random variable X has the following…

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Q: If x is a binomial random variable with n = 10 and p = 0.8, the standard deviation of x is…

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Q: 2. Find the variance and the standard deviation of the probability distribution of the random…

A: NOTE: As per the guidelines, we are supposed to solve the first question…