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Mathematics 12 Online
OpenStudy (anonymous):

A certain irrational number has a decimal expansion in which each digit is randomly chosen from the set {0,1,2,3,4,5,6,7,8,9}. Find the probability that THERE is no pair of 9s in the first 100 pairs of digits.

OpenStudy (king):

2/25 ?

OpenStudy (anonymous):

Nope. the answer is 0.3660

OpenStudy (anonymous):

Not sure how to get it though.

OpenStudy (anonymous):

It's geometric distribution, to give a tip.

OpenStudy (king):

Hmmm.Can I let u know by tomorrow?

OpenStudy (anonymous):

Sure :)

OpenStudy (king):

When will u come online?

OpenStudy (anonymous):

Not sure... usually around now I guess.

OpenStudy (king):

ok i shall try by tomorrow or else surely by wed.

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