The traffic that makes a left turn at an intersection consists of two types of v
ID: 1715962 • Letter: T
Question
The traffic that makes a left turn at an intersection consists of two types of vehicles, types A and B. A type A vehicle is twice the length of type B. The left-turn lane can accomodate eight vehicles of Type B, four of type A, or combinations of A and B. Define the sample space of all possible combinations of vehicles waiting for a left turn at the intersection. Also, define the following evetns: (1) at least one vehicle of type A waiting for a left turn, (2) two vehicles of type B waiting for a left turn, and (3) exaclty one of type A and one of type B waiting for a left turn.
Explanation / Answer
at least one vehicle of type A waiting for a left turn=4C3=4
) two vehicles of type B waiting for a left turn=8c2=28
exaclty one of type A and one of type B waiting for a left turn.=4C1*8C1=32
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