B. Find the variance and standard deviation of each probability distributions. You may use the space provide below. 1 2 3 1. P(x) 0.10 0.45 0.25 0.20 2. 1 2 3 P(x) 0.11 0.22 0.33 0.25 0.09

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

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Q: The probability distribution of a random variable X is given.  x     450     500     500     555…

A: Given Data: x P(X=x) x P(x) x^2 P(X) 450 0.1 45 20250 500 0.2 100 50000 500 0.1 50 25000…

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A: Given, a probability distribution Then ,    mean = Ex = ∑x=04x fx   Variance= Ex2 - Ex2where    Ex2…

Q: 7. 2 3 P(x) 15 15 3 4 5 P(x) 25 25 25 25 9. 3 4 P(x) 10 10 20 20 10. 3 4 5 P(x) 0.212 0.113 0.125…

A: Which is the discrete probability distribution

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

A: Given data is  Defects 0 1 2 3 4 5 Probability 0.262 0.301 0.243 0.138 0.042 0.014

Q: The probability distribution of a random variable X is given in the table below. 2 5 P (X = x) 0.1…

A:

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

A: Defects012345Probability0.2580.2890.2430.1520.0380.020

Q: h. Find the conditional distribution of f (x[y), P(X = 2 | Y = 1). i. Find the conditional…

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Q: •3. Solve the expected value, variance, and standard deviation given the probability distribution. X…

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Q: 1. Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: f(x,y)   y=1   y=2    y=3   Total    x=1    0.1 0.05 0.02 0.17      x=2    0.1 0.35…

Q: x P(x) 0 0.05 1 0.15 2 0.15 3 0.65 Find the standard deviation of this probability distribution.…

A: Given data, X P(X) 0 0.05 1 0.15 2 0.15 3 0.65   Standard deviation=?

Q: I. Find the variance and standard deviation of each probability distribution below. 1. 2 3 P(X) 0.1…

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Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

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Q: x P(x) 0 0.05 1 0.05 2 0.15 3 0.75 Find the mean of this probability distribution.

A: 0 0.05 0 1 0.05 0.05 2 0.15 0.30 3 0.75 2.25

Q: Find the mean of the discrete random variable X whose probability distribution is X 1 p(x) .30 2 3 4…

A: Given data is x 1 2 3 4 5 6 p(x) 0.30 0.25 0.15 0.05 0.10 0.15

Q: Q/ The probability distribution of random variable X is: 3. P(x) 0.1 0.3 0.5 0.1 iTY-X+2X Find: 1.…

A: Given Y= X2+2X So we find Y for every X X 0 1 2 3 Y 0 3 8 15 P(Y) 0.1 0.3 0.5 0.1

Q: Find the joint probability distribution of x and y. Find the marginal probability distribution of x.

A: The variable X indicates unemployed and variable y indicates employed.

Q: Use the probability distribution t complete parts (a) and (b) below. The number of defects per 1000…

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Q: Find the variance for the given probability distribution. x P(x) 0 0.37 1 0.13 2 0.06 3 0.15 4 0.29…

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Q: 1. Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: f(x,y)     y=1   y=2     y=3    Total       x=1   0.10  0.05    0.02   0.17…

Q: A random variable X has the probability function as given in the table to the right. It is easy to…

A: Given that - A random variable X has the probability function as given in the table to the right.…

Q: Please calculate the variances, Var(X) and Var(Y), and the corresponding standard deviations for the…

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Q: Determine the correlation for the following joint probability distribution: 6. 8. y 8. 1 3.…

A: We have given that X and Y be two random variables with joint probability distribution.

Q: Direction: Complete the table below and find the variance and standard deviation of the following…

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Q: Find the mean, variance and standard deviation. Problem: The maximum life span for a new electronic…

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Q: The accompanying table describes results from groups of 10 births from 10 different sets of parents.…

A: Formula used: The maximum value in this range = μ+2σ μ = E(X) = ∑X·P(X) E(X2) = ∑X2·P(X) σ =…

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Q: PART VI. Consider the following discrete probability distribution. X P(x) 0 0.18 1 0.44 2 0.27 3…

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Q: P(x) 0 0.15 1 0.05 2 0.05 3 0.75 Find the standard deviation of this probability distribution. Give…

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Q: 15 The table shows the number of car accidents per day and their corresponding probabilities. Find…

A: We have given that,  X be the random variable having probability mass function,       X :-   0…