A survey was undertaken in one particular suburb in Sydney on whether someone is using "Uber eat" service on a daily basic (B), and the following information was found.

40% of those surveyed are married (A),

60% of the married surveyed use the service "Uber Eat" (B | A), and

50% of the no married surveyed use the service "Uber Eat" (B | A').

If one of the surveyed is selected at random,

9. What is the probability that someone use the service "Uber Eat" P(B)?	A 0.24	B 0.40	C 0.54	D 0.30
10. What is probability that the customer do not use Uber eat given that is not married?	A 0.30	B 0.60	C 0.53	D 0.50