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Popolare Word Problems >

A die is rolled 9 times. Find the probability of rolling no more than 2 ones

Soluzione

A d i e i s ro ll e d 9 t im es . F in d t h e p ro babi l i t y o f ro ll in g n o m ore t han 2 o n es

Soluzione

\frac{78125}{124416}

+1

Decimale

0.62793 \dots

Fasi della soluzione

Probability of 1 when a die is rolled:

\frac{1}{6}

The probability of rolling no more than 2 ones:

\frac{78125}{124416}

= \frac{78125}{124416}

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