Quantitative and Qualitative Probability

In Mr. Jawarani’s first period math class, there are 9 students with hazel eyes, 10 students with brown eyes, 7 students with blue eyes, and 2 students with green eyes. Mr. Jawarani picks a student at random. Which color eyes is the student most likely to have?

• Brown

• Hazel

• Green

• Blue

Harry has two baskets of fruit. Each basket contains 7 apples. Which statement is true?

• The probability of randomly selecting an apple from basket M is 1.

• The probability of randomly selecting an apple from Basket M is 0.5

• The probability of randomly selecting an apple from Basket M is greater than the probability of randomly selecting an apple from Basket L.

• The probability of randomly selecting an apple from Basket L is equal to the probability of randomly selecting an apple from Basket M.

In a sample survey, 500 teenagers indicated that 175 of them use their computers regularly. Out of 4,500 teenagers, how many can you accurately predict will use their computer regularly?

• 1,425 Teenagers

• 1,525 Teenagers

• 1,475 Teenagers

• 1,575 Teenagers

The sections of a spinner are shaded red, blue, or green. Out of 24 spins, how many times will the spinner land on blue or green?

• 16

• 20

• 12

• 6

Michelle recorded the color of each car that passed by her office. She saw 30 blue cars and 40 green cars. Which of the following shows an accurate prediction or comparison?

• Out of 7 cars, Michelle will see 3 blue cars and 4 green cars.

• Out of 70 cars, half of the cars Michelle sees will be blue and half will be green.

• Out of the cars, Michelle will see more blue cars than green cars.

• Out of 10 cars, Michelle will see 3 blue cars.

A tile with every letter of the alphabet is placed in a bag. You pick a tile, record the letter, and place it back in the bag. If you complete this process for a total of 78 times, how many times can you expect to pick a vowel (do not include y)?

• 12

• 15

• 13

• 17

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7

• 5/49

• 5/7

• 10/49

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3

• 1/10

• 3/10

• 30%

What is the probability of rolling 15 with a pair of dice?

• impossible

• unlikely

• equally likely

• likely

Probability can be expressed as a number between_____ and _____.

• 0 and 100

• 0 and 10

• 0 and 1

• -1 and 1