Stat - Quiz 2 Probability Review

Clara picks a marble at random from a bag of 30 marbles, puts it back, and then picks another marble at random. This example is ________________.

• Dependent

• Independent

Victor picks a card at random from a standard deck. Without putting the first card back, he picks a second card at random. This example is ___________________.

• Dependent

• Independent

Determine if the events are mutually exclusive or overlapping: Rolling a 6 or an odd number

• Mutually exclusive

• Overlapping

Determine if the events are mutually exclusive or overlapping: Drawing a red or an ace from a deck of cards

• Mutually exclusive

• Overlapping

You flip a nickel three times.

Find the probability that all flips will land on tails.

• 1/2

• 1/4

• 1/6

• 1/8

P(Sandals|Pants):

• 4/20
• 6/15
• 1/2
• 2/7

What is P(Ace given hearts)?

*convert your fraction to a percentage*

• 1.9%

• 7.7%

• 25%

• 6.3%

There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?

• 2/5
• 1/21
• 4/25
• 1/7

There are 2 violet balls and 4 pink balls in a bag. If two balls are drawn one after the other, then what is the probability of getting violet first and pink next, if the first ball drawn is replaced?

• 1/3
• 2/9
• 1/6
• 1/4

Identify the shaded area...

• A

• B

• A'

• B'