1. A bag contains 9 green marbles and 11 white marbles. You select a marble at random. What are the odds in favor of you picking a green marble?

Question

a. 9:20
b. 2:9
c. 11:9
d.9:11
my answer is d?

2. A bag contains 5 green marbles, 8 red marbles, 11 orange marbles, 7 brown marbles, and 12 blue marbles. you choose a marble, replace it, and chose again. what is P (red then blue?)
a. 20/43
b. 40/43
c. 20/ 1849
d. 96/1849
my answer is b?

3.(10) you have six $1 bills, eight $5 bills, two $10 bills, and four $20 bills in your wallet. You select a bill at random. without replacing the bill, you choose a second bill. what is P($!, then $10)?
a. 77/190
b.3/100
c.3/95
d.2/5
my answer is c?

4. A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jonas picks a fruit at random and does not replace it. Then beth picks a fruit at random. what is the probability that jonas gets a peach and beth gets an apple?
a. 15/182
b. 8/27
c. 4/91
d.15/196
my answer is b?

Answer 1

1.d
2.d
3.c
4.a

Answer 2

1) I agree

2) 8/43 times 12/43

3) I am not sure what the question is asking. There is a weird symbol.

4) no replacement

5/14 times 3/13