SOLUTION: We have a binomial experiment with p = 0.4 and n = 2. (1) Set up the probability distribution by showing all x values and their associated probabilities. (2) Compute the mean

Question 717976: We have a binomial experiment with p = 0.4 and n = 2.
(1) Set up the probability distribution by showing all x values and their associated probabilities.
(2) Compute the mean, variance, and standard deviation.

Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!

We have a binomial experiment with p = 0.4 and n = 2.

(1) Set up the probability distribution by showing all x values and their associated probabilities.

P(0)= (1-0.4)^2 = 0.36
P(1) = 2(0.4)(0.6) = 0.48
P(2) = 0.4^2 = 0.16

(2) Compute the mean, variance, and standard deviation.

mean = np = 2(0.4) =0.8
variance = np(1-p) = 2(0.4)(0.6) = 0.48
sd = sqrt(variance) = sqrt(0.48)

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