Let Y1 be a binomial random variable with n1 trials and probability of success given by p. Let Y2 be another binomial random variable with n2 trials and probability of success also given by p. If Y1 and Y2 are independent. Find the probability function of Y1 + Y2.

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c

explanation:

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