Statistics and Probability 1st Quarter Exam

A sample space is:

• A. A list of all possible outcomes of an experiment

• B. The probability of an event occurring

• C. The average value of a data set

• D. The middle value in a data set

Probability is:

• A. The study of chance and randomness

• B. The average value of a data set

• C. The middle value in a data set

• D. The spread of data

The mean of a data set is:

• A. The sum of the data divided by the number of data points

• B. The middle value in a data set

• C. The most frequent value in a data set

• D. The spread of data

The median of a data set is:

• A. The sum of the data divided by the number of data points

• B. The middle value in a data set

• C. The most frequent value in a data set

• D. The spread of data

The standard deviation of a data set is:

• A. The sum of the data divided by the number of data points

• B. The middle value in a data set

• C. The most frequent value in a data set

• D. The spread of data

In rolling two dice, the sum of the two dice, 12, occurs just once, so P(X) is:

• A. 1/36

• B. 1/12

• C. 1/6

• D. 1/2

What is the probability that the sum of the scores when rolling two dice is 1, 6, 7, and 8?

• A. 1/36

• B. 4/9

• C. 1/6

• D. 1/2

If P(X=x) = 2/12, in rolling two dices, the sum of the two dices, what is the value of x?

• A. 2 or 6

• B. 3 or 11

• C. 4 or 5

• D. 5 or 4

What is the probability of getting a head when flipping a coin?

• A. 1/4

• B. 1/3

• C. 1/2

• D. 1

What is the probability of drawing a heart from a standard deck of cards?

• A. 1/4

• B. 1/3

• C. 1/2

• D. 1