A manufacturer of game controllers is concerned that its controller may be diffi

Question

A manufacturer of game controllers is concerned that its controller may be difficult for left-handed users. They set out to find lefties to test. About

1313%

of the population is left-handed. If they select a sample of

88

customers at random in their stores, what is the probability of each of the outcomes described in parts a through f below?

a) The first lefty is the

seventhseventh

person chosen.The probability is nothing

A manufacturer of game controllers is concerned that its controller may be difficult for left-handed users. They set out to find lefties to test. About

1313%

of the population is left-handed. If they select a sample of

88

customers at random in their stores, what is the probability of each of the outcomes described in parts a through f below?

a) The first lefty is the seventh person chosen.The probability is

b

c

d

Explanation / Answer

P(The first lefty is the seven person is choosen) = (0.87)^6 * 0.13 * 0.87 + (0.87)^6 * 0.13 * 013 = 0.056

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