Question: 5. Explain why this sum is equal to 1. (:)(P)(l pJnD + (:ypjltl P)n-1 + + (:bra _P}_ 6. A family hopes to have six

5. Explain why this sum is equal to 1. (:)(P)(l pJnD + (:ypjltl P)n-1 + + (:bra _P}"_" 6. A family hopes to have six children. Assume boys and girls are born with the same probability. (a) Determine the probability that four of the children will be boys. (b) Determine the probability that at least two of the children will be girls. (c) Determine the probability that all six children will be girls

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