8. what proportion of fire loads are at least 450? a. 0.25 b. 0.45 c. 0.35 d. 0.

Question

8. what proportion of fire loads are at least 450? a. 0.25 b. 0.45 c. 0.35 d. 0.75 9. What proportion of fire loads are exactly 750? a. 0.05 b. 0.1 c. 0.35 d. 0.25 For questions 10, 11, and 12 use the following information: Suppose that vehicles taking a particular freeway exit can turn right (R), or turn left (L). Consider observing the direction for each of two successive vehicles. 10. List all outcomes in the event that both vehicles go in the same direction. a. {LL, RL, LR) b. (RR, LL) c. (RL, LR) d. ILL) 11. List all outcomes in the event that exactly one of the two vehicles turn right. a. (RL, LR) b, LL, RR) c. (RR) d. ILR) 12. List all outcomes in the event that the two vehicles go in different directions.

Explanation / Answer

10:

Both vehicles can go in the same in two ways : Either both can right or both can go left. So required outcomes are:

b: {LL, RR}

11:

That is one vehicle go to right and other go to left. So required outcomes are

{LR, RL}

12:

That is one vehicle go to right and other go to left. So required outcomes are

{LR, RL}

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