Probability Practice (SP.5 and 6)

A bookshelf contains 6 fiction books, 2 non-fiction books, and a picture book.  A book is chosen at random.  What is the likelihood of choosing a fiction book?

• impossible
• not very likely
• likely
• certain

Nigel went to a sandwich shop for lunch. He can choose one meat and one cheese for his sandwich. How many different sandwiches are possible?

• 4

• 6

• 8

• 10

Natalie has a box of 64 paperclips.  
1/2 are red
1/8 are purple
1/4 are green
1/8 are yellow
Natalie randomly selects 2 paper clips.  Which color combination is Natalie least likely to select?

• red, then red
• purple, then yellow
• green, then purple
• yellow, then red

Hannah will roll a number cube, labeled 1 to 6, 300 times.  About how many times could Hannah expect to roll a number less than 4?

• 50
• 100
• 150
• 200

Jackie has a closet with 6 red dresses and 2 blue dresses.  What is the likelihood of Jackie pulling a red dress out of the closet without looking?

• certain
• likely
• impossible
• unlikely

A student is taking a multiple choice test that has 60 questions.  Each question has four answers.  If the student guesses randomly on every question, how many questions should the student expect to answer correctly?

• 15
• 20
• 25
• 30

What is the probability that a lunch will contain a cereal bar?

• 1/2

• 1/3

• 1/5

• 1/6

Anthony has a bag that contains 4 blue candies, 6 green candies, and 10 yellow candies.  
Without looking, he pulls out a piece of candy, records the color, and then puts it back in the bag.  He does this 150 times.  How many times can Anthony expect to pull out a blue candy?

• 30
• 40
• 50
• 60

Each letter from the word "SCHOOL" is written on a card and placed in a bag.  Without looking, a card is pulled from the bag.  What is the likelihood that a consonant will be pulled from the bag?

• certain
• likely
• unlikely
• impossible

Jason has two number cubes, labeled 1 to 6.  He will roll the cubes 300 times and then add the results after each roll.  About how many times should Jason roll a sum of 5?

• 25
• 33
• 48
• 112