When randomly selecting a jail inmate convicted of DWI (driving while intoxicated), the probability distribution for the number x of prior DWI sentences is described in the accompanying table. P(x) 0.466 1 2 0.187 3 0.042 1. Find the missing probability of the above distribution. 2. Find the probability that an inmate has at least 2 prior DWI's. 3. Find the probability that an inmate has at least 1 prior DWI. 4. What is the expected number of prior DWI's an inmate will have? (Round to 3 decimals.)
When randomly selecting a jail inmate convicted of DWI (driving while intoxicated), the probability distribution for the number x of prior DWI sentences is described in the accompanying table. P(x) 0.466 1 2 0.187 3 0.042 1. Find the missing probability of the above distribution. 2. Find the probability that an inmate has at least 2 prior DWI's. 3. Find the probability that an inmate has at least 1 prior DWI. 4. What is the expected number of prior DWI's an inmate will have? (Round to 3 decimals.)
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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