Probability Rules Extra Credit

You pick two marbles from the bag. What is the probability you don't pick any blues?

• 56/90

• 64/100

• 4/100

• 2/90

What is the probability a person chosen is a woman given she preferred Toyota?

• .525

• .4627

• .6774

• .3143

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. 
What is P(purple then black)?

• 1/18
• 2/5
• 3/7
• 4/9

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Manager is chosen at random. What is the probability you chose a manager with 0-5 years experience given that he is from the Midwest?

• 4/9

• 4/53

• 4/23

• 9/53

If you draw one card from a standard deck, what is the probability of drawing a 5 or a diamond?

• 2/52

• 4/52

• 16/52

• 26/52

The probability that an event does NOT occur is

• highly unlikely

• 1 - the probability that it does occur

• a matter of opinion

• always less than the probability that it does occur

The table displayed is for the members of the U.S. Senate. If a U.S. Senator was selected at random, what is the probability that the senator is a Democrat?

• .6

• .47

• .36

• .40

The table displayed is for the members of the U.S. Senate. If a U.S. Senator was selected at random, what is the probability that the senator is female?

• .17

• .60

• .83

• .40

The table displayed is for the members of the U.S. Senate. If a U.S. Senator was selected at random, what is the probability that the senator is a Democrat given that the senator is male?

• 47/83

• 36/100

• 36/40

• 13/17

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A recent survey suggests that 85% of college students have posted a profile on Facebook, 73% use YouTube regularly, and 66% of do both. What is the probability that a randomly selected student uses YouTube regularly given that they have a Facebook profile.

• .776

• .904

• .859

• .824