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Popular Word Problems >

If a fair coin is tossed 4 times, what is the probability, rounded to the nearest thousandth, of getting at least 1 heads?

Solução

I f a f ai r co in i s t osse d 4 t im es, w ha t i s t h e p ro babi l i t y, ro u n d e d t o t h e n e a res t t h o u s an d t h, o f g e tt in g a t l e a s t 1 h e a d s ?

Solução

\frac{15}{16}

+1

Decimal

0.9375

Passos da solução

Find the probability of no heads:

\frac{1}{16}

Probability of rounded to the nearest thousandth of getting at least 1 heads

= 1 -

Probability of no heads

= 1 - \frac{1}{16}

1 - \frac{1}{16} = \frac{15}{16}

= \frac{15}{16}

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