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 at least 9 of them will be disapproved?
A).9093
B).8689
C).1311
D).0907
E).9455

Question

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The Answer of 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 at least 9 of them will be disapproved?
A).9093
B).8689
C).1311
D).0907
E).9455

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