Question

Anna travels to work by car or by bicycle .
The probability that she travels by car is 0.35 .
If she travels to work by car ,the probability that she will be late is 0.12 .If she travels to work by bicycle,the probability that she will late is 0.25..Work out the probability that she will not be late.

I think it is 0.66 ..

Answer 1

prob late = .35*.12 +(1-.35)*.25
= .205

1 - .205 = .8

Answer 2

Thank you very much for your help. Is any chance that you can help me with other questions which I posted already,please