cars driven on the road must have a current warrant of fitness and be registered. A recent newspaper article contained the following statement : 80% of cars on the road in new zealand have a currengt warrant of fitness and 90% are currently registed."

In peak hour traffic, 200 cars are expected to pass through the main street.
use theoretical probability to calulate the expected number of drivers in peak hour traffic to be fined.
use theoretical probability to calulate how many of the 200 cars would be expected to have no warrant of fitness and are not registed.

we will be happy to critique your thinking.