Probabilities

A number that tells how likely an event is to happen.

• probability

• outcome

• event

• simulation

What is the probability of spinning and landing on a color that is not yellow?

• P(not yellow) = 75%

• P(not yellow) = 25%

• P(not yellow) = 40%

Find the probability of drawing a 10 from a standard deck of 52 cards.

• 1 out of 52

• 13 out of 52

• 26 out of 52

• 1 out of 13

The spinner is divided into eight equal parts. Find the theoretical probability of landing on the given section of the spinner.P(white)=

• 1/8

• 5/8

• 7/8

• 3/7

What is his experimental probability as a fraction?

• 3/7

• 15/35

• 1/2

• 5/7

If a counter is selected at random from this bag, what is P(yellow)?

• ²/₃

• ²/₅

• ³/₅

• ¹/₅

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

A bag contains 9 green marbles, 5 yellow marbles and 6 red marbles.  You choose one marble.   What is the probability of selecting a green or red marble?

• 8/15

• 6/11

• 3/4

• 2/3

A cookie jar has 3 dozen chocolate chip, 1 dozen peanut butter, and 2 dozen oatmeal raisin cookies. If Megan chooses a cookie, does not replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie?

• 2/3

• 1/10

• 6/71

• 11/72

100% probability

• certain

• likely

• unlikely

• uncertain