Simple and Compound Probability

Daniel bought a bag of marbles at the school's garage sale. It contained 5 red marbles, 4 yellow marbles, 5 green marbles, and 2 blue marbles. The marbles were all the same size and shape.

If Daniel reached into the bag and pulled out a marble without looking, what is the probability it was NOT blue?

Mathematical Equivalence

ON

Nate has a bag containing 3 red, 2 blue, 4 yellow, and 3 green marbles. If he randomly chooses one marble from the bag, what is the probability that the marble will be blue?

Mathematical Equivalence

ON

Mitsu will be randomly assigned to a seat on an airplane. There are a total of 50 seats on the plane. Of these seats, 16 are aisle seats, and the rest are window seats. What is the probability, as a percent, that Mitsu will be assigned to a window seat? Record your answer. Be sure to use the correct place value.

Claudia spins the spinner shown.

What is the probability of Claudia spinning a number greater than four on this spinner?

Mathematical Equivalence

ON

A box contains 4 red pencils, 6 blue pencils, 5 black pencils, and 3 green pencils. The best description of the likelihood of selecting a blue pencil at random from the box is ​​​ (a)   . ​ ​

• unlikely
• impossible
• equally likely
• likely
• certain

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

Which of the following best describes the likelihood of the spinner landing on a number less than 6?

• impossible

• unlikely

• equally likely

• likely

• certain

Match the following theoretical probabilities.

• Flipping a Coin

• Choosing from Red, Green, Yellow, or Blue

• Rolling a Die

• Spinner with 8 Equal Sections

• Rolling a 5 or 6 on a Die

Match the following fractions to there percentages.

• 20%

• 30%

• 67%

• 33%

• 25%

Match the following percents to fractions.

• 11/25

• 26%

• 20/40

• 86%

• 13/50

• 44%

• 24/25

• 96%

• 43/50

• 50%