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posted by sia .
You took a 5question multiple choice quiz with 4 choices for each question. If you guess at random on each question, what is the probability that you get at least one question correct?

The easiest way to do this is use a binomial probability function table. You will need to determine n, x, and p. I'll give you a hint: x = 0. Once you determine P(0), then subtract the probability you find in the table from 1. That value will be your answer.