Simple Probability

This sample space shows all of the possible combinations of one type of drink and one type of snack that Leslie can choose.

water, apple

water, cheese

water, pretzels,

water, bananas

juice, apple

juice, cheese

juice, pretzels

juice, banana

According to the sample space, what is the probability that the combination Leslie chooses will include juice?

• 1/8

• 1/4

• 4/8

• 8/8

Francis made the following chart showing the lunch choices available on a field trip.

Based on the information in the chart, which tree diagram shows all of Francis' possible combinations?

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The possible outcomes of flipping two coins is shown above.

What is the probability the coins will land with different sides showing?

• 2/4

• 1

• 1/4

• 3/4

Louis works at a local restaurant. The uniform he wears to work consists of a red, blue, or white shirt and black, blue, or khaki shorts. What is the probability that Louis will wear blue shorts to work?

• 1/6

• 2/6

• 1/3

• 2/3

Mark is playing a board game with his friends. There are six of them playing. What is the probability that Mark will NOT win the board game?

• 1/3

• 5/6

• 1/6

• 1/2

A movie theater sells three sizes of popcorn (small, medium, and large), three types of soda (Coke, Diet Coke, and Sprite), and two types of candy (M & Ms and Skittles). How many different combinations of one size popcorn, one type of drink, and one type of candy are possible?

• 8

• 18

• 9

• 27

Annalee has two spinners. She will spin both at the same time. What are all the possible outcomes for this double spin?

• Purple, Pink

  Purple, Blue

  Red, Pink

  Red, Blue

  Green, Orange

  Green, Blue

• Purple, Orange

  Purple, Pink

  Purple, Blue

  Red, Orange

  Red, Pink

  Red, Blue

  Green, Orange

  Green, Pink,

  Green, Blue

• Purple, Orange

  Purple, Pink

  Red, Orange

  Red, Blue

  Green, Orange

  Green, Blue

• Purple, Purple

  Purple, Pink

  Purple, Blue

  Red, Red

  Red, Pink

  Red, Blue

  Green, Green

  Green, Pink

  Green, Blue

Connie flipped a fair coin. How likely is it to land heads up?

• certain

• equally likely

• likely

• unlikely

Audrey is eating dinner at a buffet restaurant. She can choose between 4 meats, 10 veggies, 3 salads, and 8 desserts. How many different dinners can she make?

• 25

• 120

• 960

• 83

Which numbers are prime? You must select all correct answers.

• 51

• 47

• 29

• 81

• 77