Homework Help: maths

Posted by nabiha on Thursday, April 22, 2010 at 2:35pm.

The probability that Richard beats John at badminto is 0.7. The probability that Richard beats John at sqaush is 0.6. These events are independant. Calculate the probabilty that, in a week when they play one game of badminton and sqaush:
a) Richard wins both games
b) Richard wins one game and loses the other.

maths - PsyDAG, Thursday, April 22, 2010 at 2:43pm
a) .7 * .6 = ?

b) Which one does he lose?

Loses badminton = .3 * .6 = ?
Loses squash = .7 * .4 = ?

For "either-or" probability among the two above, add the newly found probabilities.

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