Probability Dependent Independent

You are playing a game of scrabble. The tiles shown are dropped in a bag. What is the probability of randomly selecting an "A"?

• 1/15

• 4/15

• 1/3

• 2/3

You are playing a game of scrabble. The tiles shown are dropped in a bag. You need to choose two tiles. What is the probability of choosing an "E", keeping it, and then choosing a "H"?

• 4/15

• 1/70

• 1/75

• 1/225

What is the probability of randomly selecting a stripped marble, replacing it, and then selecting a solid marble?

• 40%

• 60%

• 24%

• 22%

Find P(striped marble with replacement, then another striped marble).

• 10%

• 16%

• 40%

• 50%

Find P(red marble with replacement, then black marble).

• 2%

• 10%

• 20%

• 25%

A standard deck of 52 cards is shown. What is the likelihood of randomly picking a red card?

• impossible

• unlikely

• equally likely

• likely

• certain

The lottery is an example of Dependent Probability because

• once a number is picked, it is not replaced

• once a number is picked, it is replaced.

Mr. Adams surveyed 35 of his students to find out what type of pet they own. If a student was selected at random, what is the probability that student has a goldfish?

• 1/35

• 6/35

• 1/7

• 3/4

What is the likelihood of getting a black gumball from the gumball machine shown.

• impossible

• unlikely

• equally likely

• likely

• certain

What is the probability the spinner lands on blue?

• 2%

• 20%

• 40%

• 50%