If you were a tele-marketer and you were told that you should expect to make 45 unsuccessful phone calls before making a sale. As a percentage, what is your probabilitiy of success?

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justaguide | College Teacher | (Level 2) Distinguished Educator

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The number of unsuccessful phone calls to be made before a sale happens is 45. If a total of 46 calls are made there is 1 in which a sale occurs.

The probability is `(1/46)*100 ~~ 2.17%`

The probability of success is approximately 2.17%