Review for Quiz - Probability and Statistics

The following data represent the number of pop-up advertisements received by 10 families during the past month. Calculate the mean number of advertisements received by each family during the month. 43 37 35 30 41 23 33 31 16 21

What is the median of the following numbers? 10, 39, 71, 42, 39, 76, 38, 25

What is the mode of the following numbers? 12, 11, 14, 10, 8, 13, 11, 9

What is the range of the following values? 68, 55, 70, 62, 71, 58, 81, 82, 63, 79

Hollis wants to make a 90 test average in Pre-AP Chemistry She scored 88, 82, 93, and 87 on the first four tests. What does she need to make on her 5th test to get a 90 test average

What is the probability of spinning the spinner and getting an odd number on one spin?

• 43 %
• 47 %
• 53 %
• 57 %

What is the probability of rolling a dice and getting a 5?

• 1/3
• 1/2
• 1/6
• 1/4

What is the probability of tossing a coin and getting tails?

• .4
• .5
• .55
• .6

What is the probability of picking a green marble from the bag?

• 3/10
• 2/5
• 1/2
• 3/5

What is the probability of picking a red marble from the jar, not replacing it, and then picking another red marble?

• 4/25
• 2/25
• 1/10
• 1/5