Question

A bag contains 5 black, 3 green, 3 blue, and 4 yellow marbles. A marble is randomly drawn. Find P(not black).

1/5
2/3
1/3
4/15


A number cube is tossed and a card is picked at random. What is P(5, pink)?

1/24
1/5
1/6
1/4

Answer 1

There are 10 cards. They are numbered: 9, 10, 11, 12, 13, 14, 15, 16, 17, 18. One card is randomly picked.

What is P(prime number)?

70%
50%
30%
20%

Answer 2

I don't see any answers to your choices, how am I to check your work?

btw, the cube question makes no sense, where does the "pink" come in?

Answer 3

how many of the 10 numbers are prime?
P(prime) = #prime/10