Probability and Statistics

Mean, Median, or Mode

100

In the number set 2,4,6,6,8,10, what is the mode?

6

200

Rearrange the following numbers to find the median; 6,3,9,6,1,3,7

6

300

If I was looking for the number that occured most, I would be looking for what? Mean, Median, or Mode?

Mode

400

To find the mean, I need to add all the numbers and then do what?

Divide by the number of numbers

500

To find the median, I need to arrange the numbers from _____ to _____ and find the ______ number.

Least, Greatest, Middle

Pick a card, any card

100

If you randomly pick a card from a deck of 52, what is the probability that you will pick a RED KING?

2/52 or 1/26

200

If you randomly select a card from a deck of 52, what is the probability of selecting a black card?

26/52 or 1/2

300

If you randomly select a card from a deck of 52, what is the probability that you will select a face card (including Ace cards)?

16/52 or 4/13

400

If you randomly select a card from a deck of 52, what is the probability of selecting either a spade or a heart?

26/52 or 1/2

500

If you randomly select a card from a deck of 52, what is the probability of selecting a red card?

26/52 or 1/2

Probability

100

A bag contains 12 balls; 2 red, 5 blue, and 5 yellow. What is the probability of selecting a blue ball at random?

5/12

200

A spinner has 4 equal pieces to it, labeled 1, 2, 3, or 4. What are the odds that you will spin and land on an even number?

2/4 or 1/2

300

If every letter in the alphabet is placed into a bag, what are the odds that you will select a vowel? (not Y)

5/26

400

A cooler has 8 cans of soda; 3 cokes, 3 sprites, and 2 root beers. If you reach into the cooler, what are the odds that you will pick a diet soda?

0/8

500

If every letter in the alphabet is placed into a bag, what are the odds that you will select a letter found in the word "HAPPY"?

4/26 or 2/13

Lucky Guess

100

You are taking a multiple choice test, all with 4 possible answers. If you had no idea what the answer was, what is the probability of you guessing the correct answer?

1/4

200

On a TRUE/FALSE question, what is the probability that the answer will be TRUE?

1/2

300

You are taking a multiple choice test, all with 4 possible answers. If you had no idea what the answer was, what is the probability of you guessing the incorrect answer?

3/4

400

You are taking a multiple choice test, all with 4 possible answers. If you knew that two of the answers were incorrect, what is the probability that you will guess the right answer?

2/4 or 1/2

500

What is the probability of answering a multiple choice question correctly if you know that one of the answers is definitely wrong but you have to guess between the 3 remaining answers?

1/3

Independent or Dependent

100

You flip a coin and then roll a 6-sided die.

Is this scenario independent or dependent?

Independent

200

A cooler contains 10 bottles of sports drink: 4 lemon-lime flavored, 3 orange flavored, and 3 fruit-punch flavored. You randomly grab a bottle, return the bottle to the cooler, and grab another bottle.

Is this scenario independent or dependent?

Independent

300

A bag contains 8 red marbles and 4 blue marbles. You randomly pick a marble and without putting the first marble back, you pick a second marble.

Is this scenario independent or dependent?

Dependent

400

A box of chocolates contains 5 milk chocolates, 5 dark chocolates, and 5 white chocolates. You randomly select one piece of chocolate, eat it, and select another piece of chocolate.

Is this scenario independent or dependent?

Dependent

500

A bag contains 8 red marbles and 4 blue marbles. You randomly pick a red marble, without putting it back, you pick a blue marble.

Find the probability.

8/12 x 4/11 = 32/132