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.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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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.)
Transcribed Image Text: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.)
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