Math 7 - Probability Quiz Review

A box contains 8 apple, 10 fruit punch, 10 grape, and 12 berry juice boxes. A juice box is chosen at random. Find the probability of selecting an apple or a grape juice box.

A bag contains 3 basketballs, 10 baseballs, 7 golf balls, and 5 footballs. A ball is chosen at random, not replaced, then another is chosen. Find P(a football, then a baseball) as a simplified fraction.

There are 3 green markers, 5 yellow markers, 4 red marker, and 12 blue markers in a pencil box. A marker is drawn, replaced, then another marker is drawn. Find P(red, then blue).

Each spinner below is spun once. Find the probability of spinning a number greater than 2, then a square.

A bag contains 4 cherry, 8 orange, 6 strawberry and 10 lemon gummy bears. A gummy bear is chosen at random, eaten, then another is chosen. Find the probability of selecting a lemon, eating it, then selecting a cherry.

The spinner below is spun twice. Find P(shaded, then heart) as a simplified fraction.

Isaiah is studying abroad for a semester. He can choose the first semester or second semester, then choose France, Spain, Germany, Italy, or Japan. Find the total number of outcomes that are possible.

A pencil box contains 5 red, 12 blue, 10 green, and 3 yellow markers. If a marker is chosen at random, what is the probability that it is not yellow? Express the answer as a fraction in simplest form and a percent.

If Aiden has three sports coats, five pairs of pants, seven shirts and four ties, how many different ways can he select an outfit consisting of a coat, pants, shirt and tie?

Jill is trying to figure out the 4-digit passcode to unlock the screen on her mom’s phone. How many different 4-digit passcodes are there?

Find the total number of outcomes that are possible: Selecting a letter from the word TROPHY and then selecting a month of the year at random.

How many possible outcomes are there when spinning the spinner two times?

What is the probability of randomly selecting a square that is unshaded and odd? Express the probability as a simplifed fraction, decimal and percent.

If the spinner below is spun, then a letter from the word BINGO is chosen at random, find P(at least 3, then a vowel) as a simplifed fraction.

If the spinner below is spun once, give the number of favorable outcomes for each event: spinning an even, spinning a shaded and even number, spinning a prime number

A bag contains 3 blue marbles, 10 green marbles, 4 yellow marbles, and 8 red marbles. A marble is chosen at random, not replaced, then another marble is chosen. Find P(red, then blue) as a simplfied fraction.

If the spinner is spun twice, find P(at most 2, then circle).

If the spinner below is spun, then a letter from the word BINGO is chosen at random, find P(less than 7, then B) as a fraction in simplest form.

The spinner below is spun twice. Find P(both stars) as a simplified fraction.

A bag contains 3 blue marbles, 10 green marbles, 4 yellow marbles, and 8 red marbles. A marble is chosen at random, not replaced, then another marble is chosen. Find P(both yellow) as a simplified fraction.