I need clear explantation

1. At Foodland Supermarket 45% of customers pay by credit card. Find the probability that in a randomly selected sample of fifteen customers.

a. Exactly four pay by credit card

b. More than ten pay by cash (give answers to 3 decimal places)

2.A group of randomly selected adults were asked if they are in favor of or against cloning. The following table gives theresponses:

	In favor	Against	No opinion
Male	345	470	120
Female	165	515	80

1. What is the most likelyoutcome?

1. One person is selected at random from these adults. Find thee probability thatthis person is:
   1. In favor of cloning
   2. Male and Female againstcloning
   3. In favor of cloning given that the person is female
   4. Male or female in favor of cloning

Are the events 'female' and 'no opinion' independent? Explain why or why not