(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

probability to achieve a couple of 6 launching a couple of dies for 24 times

2. Relevant equations

why i cannot calculate this as:

1/36 * (35/36)EXP23 * (24!/23!)

3. The attempt at a solution

it should be correct:

a="to achive a couple of 6 in 1 throw"

e="never achive a coule of 6 in 24 throws"

i can calculare p(a)=1/36

i can calculate p(e)=[1-p(a)]EXP24

so 1-p(e) should be my correct result

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# Probability problem

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