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Popular Word Problems >

Toss a fair coin two times what is the probability of obtaining a head

Solution

T oss a f ai r co in tw o t im es w ha t i s t h e p ro babi l i t y o f o b t ainin g a h e a d

Solution

\frac{1}{2}

+1

Decimal

0.5

Solution steps

The possible outcomes when \mathrm{a coin is thrown} is

{H, T} .

Therefore, the number of possible outcomes:

2

The number of favorable outcomes of \mathrm{obtaining a head}:

1

Probability

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

= \frac{1}{2}

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