G10 Remedial Task 3_001

How many possible outcomes do we have in all?

• 2

• 3

• 4

• 1

What is the probability of selecting Blue marbles at first pick?

• 8/20

• 12/20

• 4/20

• 1/2

What is the probability of selecting a red marble in the second pick?

• 8/20

• 12/20

• 4/20

• 1/2

What is the probability of getting red at first and blue at second?

• 2/5

• 3/5

• 6/25

• 9/25

Aside from adding the probabilities of all favorable outcomes, what is the other way of calculating the probability of at least one red marble?

• 1 + P(BB)

• 1 - P(BB)

• 2 + P(BB)

• 2 - P(BB_

What is the probability of getting red at first pick?

• 10/15

• 3/15

• 1/3

• 2/3

What is the probability of getting a red marble at the 2nd pick if you get a red marble on the 1st pick?

• 4/14

• 9/14

• 5/14

• 10/14

What do we mean by dependent events?

• The first event will not affect the occurrence of second event

• The second event will work independently from the 1st event

• The second event depends on whatever outcomes happened on the first event

• The probabilities will not change.

How many possible outcomes do we have in this problem?

• 3

• 6

• 8

• 15

How many white SUV's are in this neighborhood?

• 350

• 800

• 600

• 200