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OpenStudy (surryyy):
If we toss 3 coins, what is the probability that no tails will appear? Answer 7/8 3/4 1/8 1/2
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OpenStudy (anonymous):
i just googled it because i was unsure of the formula but this website explains everything perfectly. http://www.mathsisfun.com/data/random-variables.html
OpenStudy (surryyy):
ok ty
OpenStudy (anonymous):
no problem and if you go a little ways down it talks about the three coin scenario :)
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