Find the variance of the following discrete probability distribution. Formula in the image attached Write and encircle your final answer: X P(X) -1 0.1 0 0.8 1 0.1

Q: A. Complete the table below and find the mean, variance and standard deviation of the following…

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: Find the variance for a given probability distribution. x: 0, 22, 4, 6 p(x): 0.05, 0.17, 0.43, 0.35

A: Given: Probability distribution. The variance is obtained as below:…

Q: Find the standard deviation for the given probability distribution. P(X) x.P(X) x².P(X) 0.21 0.08…

A: Given that  x p(X) 0 0.21 1 0.08 2 0.08 3 0.36 4 0.27

Q: Find the mean and standard deviation for the probability distribution below. Round to two decimal…

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Q: The number of computers sold per day at a local computer store, along with its corresponding…

A: From the above data  x P(X)  X*P(X)  X-µ (X-µ)2   (X-µ)2 *P(X) 0 0.1 0 -2.2  4.84 0.484 1 0.2…

Q: Find the variance, mean, and standard deviation for n = 100 and p = 0.75 when the conditions for the…

A: We have given that  p = 0.75,     n = 100 The pmf of Binomial distribution is  P(X=x) =…

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

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

A: As per Bartleby guideline expert have to answer first question only dear student please upload other…

Q: Find the mean, variance, and standard​  ​x​│​ 1​​ 3​​ 6​​10​ deviation of the probability…

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Q: Determine whether the distribution is a discrete probability distribution. P(x) D 0.05 1 0.37 0.25…

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Q: Find the expected value, variance, and standard deviation of the following probability…

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

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: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: Given, Sample Size, n = 125 Probability, p = 0.51

Q: The Joint probability distribution of X and Y is given below: Y 0.4 0.1 1. 0.2 0.3 Find the…

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Q: Derive the mean and variance of the t distribution.

A: Given that We have to derive the mean and variance of t distribution:

Q: Find the variance of the binomial distribution for which n= 900 and p 0.89. I

A: Given that the parameters of binomial distribution are n = 900, p = 0.89

Q: Complete the table below and find the variance and standard deviation of the ff. probability…

A: Given: x P(x) 1 3/10 2 1/10 3 2/10 4 2/10 25 2/10

Q: A discrete random variable X is defined by the following probability distribution. Calculate the…

A: Given : X is probability distribution To find : Standard deviation

Q: Find the variance and the standard deviation of the probability distribution. 3. 4 . 6. PN) 0.09…

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Q: Find the mean, variance, and standard deviation for the probability distribution below: X P(x) 0…

A: Things that we will use to solve this problem Σ P(x) = 1  E(X) = Σ x P(x)  Var(X) = E(X2) - [E(X)]2…

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

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Q: The variance of a binomial distribution for which n = 100 and p = .20 is: 100 80 20 16

A: Variance=npq

Q: Find the variance of the following discrete probability distribution. Formula:  Write and encircle…

A: We want to find the variance

Q: Calculate the mean, the variance, and the standard deviation of the following discrete probability…

A: Given the discrete probability distribution as follows: x 5 10 15 20 P(x) 0.35…

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: Find the​ mean, variance, and standard deviation of the binomial distribution with the given values…

A: The​ mean of the binomial distribution is given by

Q: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: Given data, n=90 p=0.3

Q: Which of the following does not belong to the steps in finding the variance of probability…

A: Variance : A applied mathematics measure of the dispersion between values in an exceedingly…

Q: Find the variance and standard deviation of each probability distribution below. 2 3 P(X) 0.1 0.45…

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Q: Find the variance, mean, and standard deviation for n = 300 and p = 0.30 when the conditions for the…

A: We have given that  p = 0.30,   n = 300 The pmf of Binomial distribution is  P(X=x) = nCx*px(1-p)n-x…

Q: Determine whether the distribution represents a probability distribution. If not, identify the…

A: a) Check whether the distribution represents a probability distribution or not. Condition of the…

Q: The number of computers sold per day at a local computer store, along with its corresponding…

A: To find: 1.mean 2.Variance 3.Standard deviation

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

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Q: The following data are the number of hours spend by a student who plays online games for a week.…

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Q: Find the variance of thefollowing probability distribution. X P(X) 1 0.30 2 0.15 3 0.05 4 0.25 5…

A: Variance od X is given by, Var (X)= E[X2]-[E(X)]2where, E(X)=∑iX P(X)and E(X2)=∑X2 P(X),  where P(X)…

Q: Find the mean, variance and standard deviation for the binomial distribution with n = 100 and p 0.75…

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Q: Find the mean, variance and standard deviation for the probability distribution given below: x -4 6…

A: a.) Mean=∑x={-4,6,11,8}x×P(x)=(-4)×0.564+(6×0.144)+(11×0.22)+(8×0.072)=-2.256+0.864+2.42+0.576=1.604

Q: 2. Given the probability distribution, find the mean, variance, and standard deviation: -2 1 2 f(x)…

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

A: The mean is, Ex=∑xPx=0×0.07+1×0.68+2×0.21+3×0.03+4×0.01=0+0.68+0.42+0.09+0.04=1.23 Thus, the mean…

Q: The number of students using the Math Lab per day is found in the distribution below. Find the…

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Q: Below shows a discrete probability distribution:    x 1 2 3 4 5 P(x) 0.2 0.3 m 0.1 0.1…

A: Given data is x 1 2 3 4 5 P(x) 0.2 0.3 m 0.1 0.1

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

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

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Q: Find the variance and standard deviation of each of the following probability distributions. Write…

A: Given that  The probability mass function of X is  x 0 1 2 3 P(x) 0.10 0.45 0.25 0.20 Note:…

Q: Let the random variable X = the number of motor vehicle accidents per student in one year. Find the…

A: Given data is  x 0 1 2 3 4 5 probability 0.15 0.29 0.25 0.18 0.10 0.03

Q: find the mean, variance, and standard deviation of the binomial distribution with the given values…

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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: A discrete random variable can assume 5 possible values, as listed in the accompanying probability…

A: From the provided information, x -5 0 25 P (x) 0.20 0.30 0.10