10. Bean seeds from supplier A germinate 85% of the time and those from supplier B germinate 75%. A seed packing company purchases 40% of the seed from supplier A and 60% from Supplier B and mix all the seeds (A and B). a) Find the probability P (G) that a randomly selected seed (from the seeds mixed) germinate. b) Given that the seed germinates, find the probability that it was purchased from supplier A.