A jar of cookies contains 18 different types of cookies. Each type is equally likely to be chosen. How many times must a cookie be chosen, in order to get each type?
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number of favorable outcomes = 1----(1)
number of total possible outcomes = 18---(2)
p(getting each type cookie) = (1)/(2)
= 1/18
number of total possible outcomes = 18---(2)
p(getting each type cookie) = (1)/(2)
= 1/18
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