Mathematics, 23.03.2020 13:47, skye8773

Hwee Bin is a sales executive for a software
company. One-tenth of the cold-calls he makes
can result in a sale. If Hwee Bin makes 3 cold-
calls, find the probability that
(a) the first two cold-calls will result in sales,
(b) there will be no sales,
(c) there will be at least one sale.

Answers: 3

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Hwee Bin is a sales executive for a software
company. One-tenth of the cold-calls he makes