Probability Distributions and Frequency Tables

Shows the probability of each possible outcome

A data display that shows how often an item appears in a category

P(event) should be spoken as

• P times event

• Prevent

• the probability of an event

• the event multiplied by P

• Complement

A collection of observation produced by sorting them into classes and showing their frequency of occurrence in each class.

• Statistics table

• Frequency distribution table

• Distribution column

• Frequency Graph

What is the class mark of the third row?

• 24

• 24.5

• 25

• 25.5

What is the total frequency?

• 200

• 215

• 224

• 225

cording to the portion of the frequency table given, how many people have an MBA?

• 9

• 20

• 60

• not enough information

In the second row with a frequency of 42, what is the class boundary?

• 9.5 - 19.5

• 10 - 19

• 10.5 - 18.5

• 10.5 - 19.5

Sam had 15 soccer games this season. His team scored the following goals for each game:

1,2,0,3,1,1,0,2,1,3,0,2,1,1,3

What is the frequency of Sam's team scoring 0 goals?

• 15

• 6

• 3

• 4

Given above are marks obtained by 20 students in Math out of 25.
Find the value of x.

• 4

• 5

• 7

• 8