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Phổ biến Word Problems >

a fair coin is flipped three times what is the probability of flipping three tails

Lời Giải

a f ai r co in i s f l i pp e d t h ree t im es w ha t i s t h e p ro babi l i t y o f f l i pp in g t h ree t ai l s

Lời Giải

\frac{1}{8}

+1

Số thập phân

0.125

Các bước giải pháp

The possible outcomes when a coin is thrown three times are

2 \cdot 2 \cdot 2

Therefore, the number of possible outcomes:

2^{3}

Find the number of favorable outcomes of flipping 3 tails:

1

Probability

= \frac{number of favorable outcomes}{total number of outcomes}

= \frac{1}{2 ^{3}}

2^{3} = 8

= \frac{1}{8}

Ví dụ phổ biến

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