Probability and Data Graphs

If you roll one die, what is the probability of getting an odd number or a 4?

• 2/3

• 1/3

• 1/2

• 1/6

Danny has 20 chocolates. 5 are milk chocolates, 10 are dark chocolates, and 5 are white chocolates. What is the probability of getting a milk chocolate or a dark chocolate?

• 3/4

• 1/2

• 1/15

• 3/10

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

What is the probability of spinning green or blue?

• 0

• 5/12

• 1/2

• 3/4

Based on the graph, ​ (a)   students took the test.

Based on the graph, ​ (b)   students studied for less than 15 minutes.

Based on the graph, ​ (c)   students scored more than 85.

• 16

• 14

• 6

• 8

• 3

• 4

A pie chart represents the types of books read by a class. If 30% of the chart is dedicated to fiction books, what does this percentage signify?

• 30% of the books are non-fiction.

• 30% of the students dislike fiction.

• 30% of the books read are fiction.

• Each student reads 30 fiction books.

A club sold standard and premium memberships. The graph shows the number of each type of membership sold over the last four weeks. Categorize the statements into true or false. (Hint, there are 2 true statements)

Groups:

(a) True

,

(b) Not True

• Standard memberships sold during Week 4 are ABOUT 4% less than standard sold during Week 3.

• Premium memberships sold during Week 4 was 75% more than premium memberships during Week 1

• Premium memberships for Week 3 are 2 times more than premium memberships for Week 2.

• Total memberships sold during Week 4 was 35 less than the total sold during Week 3

• Total memberships sold during Week 1 is equal to total memberships sold during Week 2

A histogram shows the scores on a math test. If the 70-79 range has the tallest bar, what does this indicate?

• Most students scored between 70 and 79.

• The test was out of 70-79 points.

• One student scored between 70 and 79.

• The average score was between 70 and 79.

Which show that the number of fish caught

goes up as the temperature goes up?

• A

• B

• C

A histogram shows the distribution of students' ages in a school. If the 10-12 age group has the highest frequency, what does this tell us?

• Students aged 10-12 are the youngest.

• Most students are aged between 10 and 12.

• No students are older than 12.

• Students aged 10-12 are the majority.