Gabriel takes a bus or cab to go to school. On a rainy
day, the probability Gabriel takes a bus or a cab to school is 1/6
and 1/12 respectively. Assuming Gabriel’s choice of transport in
independent of weather,
<!--[if
!supportLists]-->(a) <!--[endif]-->Find
the probability that it will rain when Gabriel goes to school
<!--[if
!supportLists]-->(b) <!--[endif]-->Find the
probability that Gabriel will take a bus to school on a non-rainy
day.