Asked by Nina

A cereal company claims that 2 in every 15 boxes win a prize. What is the probability that you do not win a prize three times in a row?

Answers

Answered by MathMate
P(lose once) = (15-2)/15 = 13/15 = (13/15)<sup>1</sup>
by the multiplication rule:
P(lose n times) = (13/15)<sup>n</sup>
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