Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §8.4 Probability and Calculus, #22 · Probability · Continuous distributions

For a yes-no poll of two voters, explain why … p_0=(1-p)^2, p_1=2p-2p^2…

For a yes-no poll of two voters, explain why
$p_{0} = (1 - p)^{2}, p_{1} = 2 p - 2 p^{2}, p_{2} = p^{2} .$
Find $μ$ and $σ^{2}$ . $N$ voters give the "binomial distribution."

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §8.4 Probability and Calculus, #22

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