Suppose that 14% of people are left handed.If 8 people are picked at random,what's the probability that the first lefty is the 8th person chosen?
A)0.1400
B)0.0419
C)0.2992
D)0.0487
E)0.3479

Question

Quizplus · Accepted Answer

The probability that the first left-handed person is the 8th person chosen is calculated by having the first 7 people be right-handed (0.86 probability each) and the 8th person be left-handed (0.14 probability). This is (0.86^7) * 0.14 = 0.0487.

Suppose That 14% of People Are Left Handed