# What is the probability that she will makes 4 sales before the seventh person she approaches?

waigaK 2021-09-01 Answered
Jenny sells ‘honey tea’ to raise fund for homeless people. The probability of making a sale is, independently, 0.3 for each person she approaches.
What is the probability that she will makes 4 sales before the seventh person she approaches?
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pivonie8
Answered 2021-09-02 Author has 91 answers

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