5. Some states require written tests to be passed before issuing drivers licenses. The passing rate for the written test in a particular state is 55%. Suppose three test takers are chosen at random. Write your answers as a percentage rounded to one decimal place if necessary. a. What is the probability that all three test takers will pass the written test? b. What is the probability that all three test takers will fail the written test? C. What is the probability that at least one test takers will fail the written test? d. What is the probability that at least one test takers will pass the written test?
5. Some states require written tests to be passed before issuing drivers licenses. The passing rate for the written test in a particular state is 55%. Suppose three test takers are chosen at random. Write your answers as a percentage rounded to one decimal place if necessary. a. What is the probability that all three test takers will pass the written test? b. What is the probability that all three test takers will fail the written test? C. What is the probability that at least one test takers will fail the written test? d. What is the probability that at least one test takers will pass the written test?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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