Probability Review

Probability with a Deck of Cards

100

Probability of pulling a (2)= ?

Hint: There are 52 cards in a deck with four of each number because there are four suits (diamonds, hearts, clubs, and spades)

1/13 or 19%

200

Probability to pull the Queen of Hearts?

1/52 or 2%

300

Probability of pulling a 4 OR a 7?

2/13 or 15%

400

Suppose I pull two cards. What is the probability I pull 2 Jacks?

1/221 or .45%

500

Probability of drawing a card with a 2,3 or 4 on it?

3/13 or 23%

600

Probability (not an ace)= ?

12/13 or 92%

Probability with Dice

100

What is the probability of rolling snake eyes?
(two one's) 

1/36 or 3%

200

P(an even number or a 1)

2/3 or 67%

300

Probability of rolling a 3, 5, or 0?

1/3 or 33%

400

DAILY DOUBLE

What is the probability of rolling a six then a number less than 3?

 1/18 or 6%

500

P(not a 2 or 3)= ?

4/6 or .67

600

Suppose I roll a die twice. What is the probability I roll a 2, and then a 6.

1/36

Probability Vocabulary/Concepts

100

What does Union "mean"

Or

200

What is the Complement Rule formula? What does it mean?

1 - P(A)

It's essentially the opposite of P(A)

300

When do I use the Multiplication Rule?

When I see and!

400

What does Mutually Exclusive Events mean? Give an example.

Events that cannot happen at the same time. Example: Having a peanut allergy and not having a peanut allergy.

500

Set of all possible outcomes

Sample space

600

DAILY DOUBLE
When do I use the Multiplication Conditional Formula?

When I have dependent events

Probability Potluck

100

Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning red?

1/4 or 25%

200

Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning purple?

0

300

You have a bag of marbles, four red and five green. What is the probability of choosing red?

(4/9) or 44%

400

Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning red then blue? 

1/16 or 6%

500

Suppose I am flipping a coin. What is the probability I flip 3 heads in a row?

.5 x .5 x .5 = 12.5%

600

Suppose I am rolling a die and then randomly selecting a card from a deck of 52. What is the probability of rolling a one THEN picking a red card out of a deck of cards?

 1/12 or 8%

1/6 * 1/2 (half of cards are red so 1/2)