What is the probability that a sale will be made with at least one contact
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What is the probability that a sale will be made with at least one contact

[From: ] [author: ] [Date: 12-03-16] [Hit: ]
... Ans.......
A sales representative makes sales on approximately one-fifth of all calls. On a given day, the representative contacts six potential clients. What is the probability that a sale will be made with at least one contact?

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Probability of not making a sale on a call = 4/5

Probability of not making a sale on 6 calls = (4/5)^6 = 0.262

Probability of at least 1 sale = 1-.262 = 0.738

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1 - (4/5)⁶ ............... Ans.
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