In a regional city, two lawn companies fertilise lawns during the summer company A has 60% of the market. While company B has the rest. Inspections on the lawns are done 1 month after they were fertilised and it was found that40% of the lawns fertilised by company Acould be rated as healthy while 50% of B could be rated as very healthy.
A) What is the probability that the lawn is rated very healthy.
B) If the lawn is rated very healthy what is the prob A treated the lawn