Elizabeth takes 85 and 280 freeways to get to campus. every freeway is either moving or congested. 280 is congested 30% of the time. If 280 is congested, there is 80% chance that 85 is also congested. If 280 is moving, there is 20% chance that 85 is congested.
a) State events which would be useful in estimating this situation.
b) Write mathematically probabilities which are provided above.
c) Find probability that both freeways are congested?
d) It turns out that 85 is congested.Find the probability that 280 is also congested?