SOLUTION: A new bus runs on Sunday, Tuesday, Thursday, and Saturday while an older bus runs on the other days. The new bus has a probability of being on time of 2/3 while the older b

Algebra ->  Probability-and-statistics -> SOLUTION: A new bus runs on Sunday, Tuesday, Thursday, and Saturday while an older bus runs on the other days. The new bus has a probability of being on time of 2/3 while the older b      Log On


   



Question 978709: A new bus runs on Sunday, Tuesday, Thursday, and Saturday while an older bus
runs on the other days. The new bus has a probability of being on time of 2/3 while
the older bus has a probability of only 1/3. If a passenger chooses an arbitrary day of
the week to ride the bus, what is the probability that the bus will be on time?

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Four out of seven days at 2/3 plus three out of seven days at 1/3.



John

My calculator said it, I believe it, that settles it