Answer to Question #321141 in Statistics and Probability for oslo

Question

2. A trader has 62 % chance of making a sale to each client. Given that the

behavior of successive clients is independent find the probability that the

trader will make a sale if two clients Lynn and Faith enter the trader’s

premises.

Answer 1

Probability not to sale is 100-62=38%=0.38

Trader can sale to Lynn and not to Faithwith probability 0.62x0.38, or sale to Faith and not to Lynn, whith probability 0.62x 0.38 or sale both to Lynn and to Faith whith probability 0.62x0.62.

Probability that thet traderwill make a sale is 0.62x0.38+0.62x0.38+0.62x0.62=0.8556