Fractions
Data Vocab
Probability Practice
Probability Vocab
How Likely is it?
100

Simplify this fraction: 4/16

1/4

100

The value occurring most often is called the _____.

Mode

100

In a classroom, there are 25 students. There are 14 boys and 11 girls. If the teacher randomly calls on one student, what is the probability that that student is a girl?

11/25, or 0.44, or 44%

100
Define "theoretical probability."
It is the probability of what should occur.
100
How likely is it that a coin is flipped and lands on tails?
Equally likely
200

Simplify this fraction: 3/27.

1/9

200

Greatest number minus the least number in a data set tells you the ____.

Range

200

Pedro has a bag of 20 Skittles. There are 4 Blue, 7 Green, 3 Yellow, and 6 Red. What is the probability that he will choose a green Skittle?

7/20, or 0.35, or 35%

200
Define "experimental probability."
The probability of what actually occurs.
200

How likely is it that a number cube with sides 1-6 is tossed and lands on 3?

Unlikely

300

Simplify this fraction: 32/60

8/15

300

When data is ordered from least to greatest, this is the number in the middle.

Median

300

Rachel and Kevin are candidates for class president of the 7th grade. David, Ronaldo, and Laura are candidates for vice president. How many winning combinations are possible?

6

300

Describe the difference between events that are likely and unlikely.

Likely is anything greater than 50% of the time but not completely certain (100%). Unlikely is anything less than 50% of the time but not impossible (0%).

300

How likely is it that a number cube with sides 1-6 is tossed and it lands on 8?

impossible

400

Which fraction is greater, 1/3 or 2/5?

2/5 is greater because 2/5 = 40% and 1/3 = 33.3%

400

This is the average for a set of numbers.

Mean

400

At HEB, there are 32 cartons of chocolate ice cream and 16 cartons of vanilla ice cream. What is the probability of randomly selecting vanilla ice cream?

1/3, or 0.33, or 33.3%

400

Define "independent event."

When the outcome does not rely on anything else. It just is!

400

How likely is it that a number cube with sides 1-6 is tossed and lands on any number 1-6?

Certain

500

Which fraction is greater, 2/25 or 10/125?

Trick question... they are equal!

500

The distance between Q1 and Q3 in a data set is called the _______.

Interquartile Range, or IQR

500
What is the probability of rolling three 4's in a row on a number cube?
1/216
500

Define "dependent event."

The result of the event relies on something else.

500

How likely is it that a number cube labeled 1-6 lands on 2 AND a coin lands on heads?

unlikely

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