7.1-7.4 Probability Review

What is the probability of spinning green or blue?

• 0
• 5/12
• 1/2
• 3/4

You spin this spinner 3 times.
Find the probability of these 3 events.
P(red, odd, 3)

• 1/216
• 1/72
• 1/36
• 1/12

P(2 and then a 5) =

• 1/6

• 1/12

• 1/36

Rolling an odd number and rolling an even number on a normal six-sided die are

• Mutually exclusive

• Not mutually exclusive

If you are picking a card randomly from a deck of cards, the events of picking a jack and picking a heart are mutually exclusive.

• True

• False

Christopher picks a marble at random. Without putting the first marble back, he picks a second marble at random. Is this event Dependent or Independent?

• Independent

• Dependent

In a box there are 3 red pens, 2 green pens, and 1 blue pen. What is the probability of picking a red pen, replacing it, and then picking a green pen?

• 1/2
• 4/11
• 1/6
• 2/3

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. Find P(orange AND green)

• 1/15

• 2/15

• 3/31

• 1/5

P(not A) =

*Remember to simplify.*

• 1/4

• 3/4

• 2/8

In a standard deck of 52 cards. Find the P(Spade OR 7)

• 1/52

• 1/13

• 4/13

• 17/52