Homework Help: Maths

Posted by Anonymous on Monday, February 4, 2008 at 2:34pm.

The probability that Don's car passes the MOT test next time is 4/5, that Mag's car passes is 5/7 and that Joe's car passes is 1/2.
Find the probability that a)all three will pass b)just two out of the three will pass c)no car passes?
(might need a probability tree)

PLEASE HELP!

Maths - drwls, Monday, February 4, 2008 at 2:47pm
(a) (4/5)x(5/7)x(1/2)= ?

(b) Add the probabilities that only Don, only Mag and only Joe pass
(1/5)(5/7)(1/2) + (4/5)(2/7)(1/2) + (4/5)(5/7)(1/2) = ?

(c) (1/5)x(2/7)x(1/2)+ ?

Answer this Question

Related Questions

physics - At the instant a traffic light turns green, a car starts from rest ...
physics - At the instant a traffic light turns green, a car starts from rest ...
Physics - An 893 kg car passes over a bump in a road that follows the arc of a ...
Physics - Car A passes a light post moving at 25m/s and continues at this speed...
Math - Car A is travelling at a constant speed of 100mph at the time it passes ...
Physics - A speeder passes a parked police car at a constant speed of 31.8 m/s. ...
Physics - A speeder passes a parked police car at a constant speed of 24.8 m/s. ...
Physics - A speeder passes a parked police car at a constant speed of 24.8 m/s. ...
Physics URGENT - A speeder passes a parked car at 35.0 m/s. The police car ...
physics - An unmarked police car traveling a constant 95km/h is passed by a ...

For Further Reading

First Name:
School Subject:
Answer: