The probability distribution of a random variable xis given in the table. Complete the following table and find the mean, variance, and standard deviation of the random variable. 4 p(x) 0.1 0.1 0.20 0.30 0.10 0.20

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A: The parameters of Binomial distribution are given by n = 90 and p = 0.7

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A: Mean:  η=∑xx.Prx  =0.332+1.116+2.932+3.916  =116+916+2716  =3716  =2.31

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Q: Refer to the probability distribution shown below. X 1 3 P(X) 1/8 3/8 3/8 1/8

A: Standard deviation(σ)=E(X2)-E(X)2E(X)=∑X.P(X)E(X2)=∑X2.P(X)

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

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

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

A: Given binomial distribution parameters,n = 90 and P=0.8.

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Q: The random variable X is the number of people who have a college degree in a randomly selected group…

A: Mean=∈x=Σ x.PX=x      =∈x=0*0.4086+1*0.4108+2*0.1546+                     3*0.0246+4*0.0014…

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Q: The discrete random variable X has the probability distribution given by:   a) Determine the…

A: Given:   x p(x) 3 0.1 5 2u 6 0.1 8 0.5 9 u Total 0.7+3u