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Popular Word Problems >

If a fair die is rolled 7 times, what is the probability, rounded to the nearest thousandth, of getting at least 6 threes?

Solution

I f a f ai r d i e i s ro ll e d 7 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 6 t h rees ?

Solution

\frac{1}{7776}

+1

Decimal

0.00012 \dots

Solution steps

Probability of 3 when a die is rolled:

\frac{1}{6}

The probability of rounded to the nearest thousandth of getting at least 6 threes:

\frac{1}{7776}

= \frac{1}{7776}

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