Find the mean and variance of a random variable Y with probability distribution sh

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A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Find the variance and the standard deviation of the given probability distributions. Complete the…

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Q: The probability distribution of the random variable X is given below. 0 1 2 3 X=x P(X=x)…

A: See the solution

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A: Given that  Probability distribution table  X 4 6 8 10 P(x) 0.40 0.10 0.20 0.30   We know…

Q: Consider the probability distribution. ________________________________________          x:      0…

A: The following probability distribution is given:   x:              0         1         2         3…

Q: What is the Variance of a geometric distribution having parameter p-0.24? Select one: a. 4.167 b.…

A: We have find variance distribution...

Q: a. Find the expected value of each discrete probability distribution. 7. 8. 10 P(x) 0.15 0.32 0.37…

A: As per our guidelines we are suppose to answer only one question. E(X)=∑X.P(X)

Q: 1. P(X) X · P(X) X - 4 (X – µ)² (X – µ)² · P(X) 2 1 3 10 1 3 10 What is mean of the probability…

A: Given, X P(X) X.P(X) X-μ X-μ2 X-μ2.P(X) 0 15 0 0-1.3=-1.3 1.69 0.338 1 25 25 1-1.3=-0.3 0.09…

Q: Given the accompanying table, the random variable x represents the number of televisions in a…

A: Given PMF of X. Now will using this pmf to find required information.

Q: We randomly select four cards from a standard deck of 52 cards and count X, the number of Diamonds…

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Q: Find the mean, variance and the standard deviation of the following probability АСTIVITY 3:…

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Q: The standard deviation of a binomial distribution is 4, then the variance of the distribution is а.…

A: We know that, Variance=(standard deviation)2 Here standard deviations =4

Q: a. Find the expected value of each discrete probability distribution. 5. 7. 8. 10 P(x) 0.15 0.32…

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Q: The table below shows the probability distribution of a random variable Z. z P(Z) 14 0.2 15 0.1 16…

A: Given data is Z P(Z) 14 0.2 15 0.1 16 0.7

Q: Consider the probability distribution function: X: 2 Probability: 0.2 0.7 0.1 For the above…

A: Given,   Variance =?

Q: (i) Write down two equations involving p and q and hence find the values of p and q. (ii) Find the…

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Q: Let X be a random variable with a mean of 50 and a variance of 64. Find: i. P(x< 52) ii. P(35 < X <…

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Q: :Consider the probability distribution function X: 1 Probability: 0.2 0.7 0.1 For the above…

A: The given data is discrete data. For this problem, we have to find the variance of X.

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A: For a discrete random variable X, the expected value (or mean) of X, is a weighted average of the…

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: Returns Probability distribution IBM Dell 0% -10% 10% 10% 10% 50% 20% 30% 40%

A: We have to find the covariance

Q: a. Construct a probability distribution below. P(X) b. Calculate the mean, variance, and standard…

A: HERE from given information make probability distribution table and use it for mean and variance…

Q: The number of tickets purchased by a customer for a musical performance at a certain concert hall…

A: The table below shows the relative frequency distribution for the number of tickets purchased by a…

Q: Find the variance and standard deviation of each probability distribution. a. 2 3 P(x) 0.10 0.45…

A: V(X)=E(X2)-[E(X)]2 Sd(x)=√V(X)

Q: The table below shows the probability distribution of a random variable Y. Y P(Y) 11 0.7 12 0.1 13…

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Q: The random variable X has probability distribution as shown below: 0 1 2 p(X = x) 0.16 0.48 0.36 The…

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Q: Find the variance and standard deviation of the probability distribution of random variable X if…

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Q: Find the mean, variance and standard deviation for the probability distribution given below:   X 0…

A: Compute the value of mean. From the information, given that the probability distribution is, Thus,…

Q: The probability distribution for random variable X is given in the table below.     X = x   -2 0…

A: Here we need to compute the expected value, variance and standard deviation of the given discrete…

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

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Q: The probability distribution shown below describes a population of measurements X       |      0…

A: Given:

Q: Assume x is a normally distributed random variable with mean = 50 and variance = 3. Find the value…

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

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Q: B. Determine the Variance and Standard Deviation of each random variable. Write your answer in your…

A: As per our guidelines we are suppose to answer one question. X 1 2 3 4 5 P(X) 1/5 1/5 1/5 1/5…

Q: ACTIVITY 3: Find the mean, variance and the standard deviation of the following probability…

A: Given information- We have given the probability distribution for X.

Q: ACTIVITY 2: Find the variance and the standard deviation of the following probability distributions.…

A: Given information- We have given the probability distribution for X. We have to determine the…

Q: A secretary makes 2 errors per page, on average. A. What is the probability that on the next page he…

A: Givensecretary makes 2 errors per page'x' represents average number of errors per…

Q: A researcher surveyed the households in a remote area. The random variable X represents the number…

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Q: Consider the probability distribution function: X: 1 Probability: 0.2 0.7 0.1 For the above…

A: Given Data: X P(X) X P(X) X2 P(X) 0 0.2 0 0 1 0.7 0.7 0.7 2 0.1 0.2 0.4     ∑X P(X)=0.9…

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: spectively. Find the mean and standard deviation of the given random variable y = x + 3 ) = 5x w =…

A: Given : Mean=9 Sd= 4

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

A: The table shows the x value and its probabilities.

Q: A secretary makes 2 errors per page, on average. A. What is the probability that on the next page he…

A: Given, A secretary makes 2 errors per page on average. Consider X is the random variable that…

Q: Calculate the mean, variance, and standard deviation of a binomial probability distribution, using…

A: Given information- Since the given problem is of Binomial distribution. Here, Probability of…

Q: For a Binomial Distribution the mean is 9 and variance is 3. What is the probability of failure? O…

A: For a Binomial Distribution the mean is 9 and variance is 3. What is the probability of failure?

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

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

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