Question

Of a total of 100 buses operated within a particular town, 48 usually run on time and 36 of these buses are owned by Jerry. Of the 52 buses that usually run behind schedule, only 7 are owned by Jerry. The probability that a bus is owned by Jerry, given that it runs on time, is 75 %. The probability that a bus is owned by Jerry, given that it runs late, is __%.
Show your work.

Answer 1

Answer:

I got about 13%

Step-by-step explanation:

I divided the buses Jerry owns that run late, 7, and the total number of buses that run late, 52. 7/52= 0.13461538. Rounded to the nearest hundredth.

Answer 2

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Below is similar question:

48 out of 100 private buses usually run on time. Out of the buses that are on time, only 36 are owned by Jerry. Out of the remaining 52 buses that usually run late, only 7 are owned by Jerry. What is the probability that a bus is owned by Jerry, given that it runs on time?
 A. 0.58
B. 0.67
C. 0.75
D. 0.81

The answer is C as 36/48 = .75