Stats/Probability Review

What it the mean of the following set of data?

5, 6, 8, 1, 2, 2

• 2

• 4

• 24

• 3.5

Tags

CCSS.6.SP.B.5C

What it the median of the following set of data?

5, 6, 8, 1, 2, 2

• 4

• 2

• There is no median.

• 3.5

Tags

CCSS.6.SP.B.5C

What it the mode of the following set of data?

5, 6, 8, 1, 2, 2

• 4

• 2

• There is no mode.

• 3.5

Tags

CCSS.6.SP.B.5C

A set of data contains the values:

5, 3, 6, 9, 0, x

Which of the following is a possible value for x so that there is NO MODE for the data set?

• 9

• 0

• 1

• 3

A number cube is tossed. What is the probability that you will roll a number greater than 4?

• 1/2

• 1/3

• 4/6

• 1/6

Tags

CCSS.7.SP.C.7B

A bag of Skittles contains 5 red, 6 green, 2 yellow, and 3 purple. Two Skittles are drawn without replacement. What is the probability of choosing two red Skittles?

• 9/31

• 5/64

• 25/256

• 1/12

A fruit bowl contains the following fruit:

3 peaches, 5 apples, 2 bananas

Two pieces are fruit are drawn WITH REPLACEMENT. What is the probability that the first fruit will be a peach, and the second fruit a banana?

• 1/2

• 1/4

• 1/20

• 3/50

The JV softball team added six new players, 2 of the players are rookies, and 4 are veteran players. Two players are chosen at random to be a base coach. Which of the models below could be used simulate determining whether the base coaches are rookies or veterans?

• Flip a coin twice. Let heads represent rookies and tails represent veterans.

• Create a spinner with 4 sections. Let 1 section represent rookies and 3 sections represent veterans. Spin two times.

• Place 6 marbles in a bag. 2 red marbles will represent rookies, and 4 green marbles will represent veterans. Randomly select 2 marbles.

• Roll a dice twice. Let the odd numbers represent the rookies, and even numbers represent the veterans.

Tags

CCSS.7.SP.C.8C

You flip two fair coins. What is the probability that both coins will land on tails?

• 1/2

• 1/4

• 2/4

• 1/1

Jay bought a variety platter of cookies. There are 12 chocolate chip cookies, 6 sugar cookies and 2 oatmeal cookies. If someone chooses one cookie at random, which of the following statements are true?

• It is unlikely that someone will randomly choose a chocolate chip cookie.

• Someone will choose a brownie.

• Someone will certainly choose a sugar cookie.

• It is unlikely that someone will choose an oatmeal cookie.

Tags

CCSS.7.SP.C.5