In a regional city, two lawn companies fertilise lawns during the summer. Company A has 65% of the market with Company B having the rest of the market. One month after the service, 30% of the lawns fertilised by company A could be rated as very healthy while 20% of the lawns fertilised by company B could be rated as very healthy

a.What is probability that the lawn was rated as very healthy AND was fertilised by company A?

b.What is the probability that the lawn is rated as very healthy?

c.What is the probability that the lawn is rated as very healthy?