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Binomial Distribution (Wiley Study Guide)

Can someone explain if the answer is 29% (which i believe to be correct) or .829%?

The last paragraph has confused me as making ‘exactly’ 3 sales is the same as making ‘only’ 3 sales, isnt it?


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The probability of one specific combination is 0.829%. Multiply by all possible combinations to get 29%.

“Mmmmmm, something…” - H. Simpson