In recent years, 30% of the patent applications submitted to the US Patent Office have been approved.Assuming that this same rate holds in the future, if 15 new applications are submitted this year, how likely is it that between 11 and 13 (inclusive) applications will be disapproved?
A).4093
B).4802
C).5198
D).3557
E).6455

Question

Quizplus · Accepted Answer

The probability of disapproval is 70% (1 - 0.30). Using the binomial probability formula, calculate the probability of 11, 12, and 13 disapprovals out of 15 applications, then sum these probabilities to find the total likelihood.

In Recent Years, 30% of the Patent Applications Submitted to the US