Report a question

You cannot submit an empty report. Please add some details.

Math Quiz -Statistics and Probability

Covering: mean, median, mode, range, standard deviation, data interpretation through graphs and charts, and basic probability, including compound events and independent events.

1 / 5

1. A bag contains 6 red marbles, 4 blue marbles, and 10 green marbles. If a marble is drawn from the bag without looking and then replaced, what is the probability of drawing a red marble twice in a row?

2 / 5

2. A box contains 5 red balls, 3 blue balls, and 2 yellow balls. If a ball is chosen randomly and then replaced before a second ball is chosen, what is the probability of choosing a red ball followed by a yellow ball?

3 / 5

3. A pair of unbiased dice are thrown. What is the probability of getting a total of 8 from the two dice?

4 / 5

4. Eight friends each scored a different number of points in a game. Their scores were 15, 18, 20, 22, 25, 28, 30, and 34. What is the mean score?

5 / 5

5. In a class of 30 students, the average score on a math test is 80. If the highest score in the class is 100 and the lowest score is 50, what is the range of the scores?

Your score is

0%

Please sign in to start the exam, which will enable the system to provide your personalized results at the end of the test.

You will be automatically redirected to the exam page after you sign in where you can start the test.

Or

QUICK LOGIN WITH:

This will close in 90 seconds

 

Login
 

 

This will close in 50 seconds

Detailed Analysis Request


-Detailed Analysis Request is a feature reserved for Plus account users

-You can request an analysis of your progress or send a specific question

Blank Form (#3)

 

This will close in 0 seconds