Qualitative & Quantitative Probability

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

• 150

• 50

• 200

• 100

A store manager checks each shipment of produce and removes any rotten pieces. In a shipment of 50 cabbages, the manager usually finds that 2 of them are rotten. About how many rotten cabbages would the manager expect in a shipment of 125 cabbages?

• 3

• 4

• 5

• 6

A number cube has sides labeled 1 to 6. Sue will roll the cube 48 times. How many times should Sue expect to roll a 5?

• 8

• 6

• 12

• 4

In a factory, a sample of 40 light bulbs was selected from a box of 800 light bulbs. In the sample, 2 light bulbs would not work. Based on this sample, how many non-working light bulbs would be expected in the group of 800 light bulbs?

• 15

• 25

• 30

• 40

The probability of picking a quarter from a jar of coins is 0.125. If Noah has 250 coins in the jar, about how many quarters are in the jar?

• 25

• 30

• 35

• 40

Tom draws from a deck of 52 playing cards.

He draws one card and replaces, shuffles and draws another.

If Tom draws 150 cards this way how many cards are likely to be drawn as red?

• 75

• 100

• 125

• 130

• 3

• 6

• 8

• 9

These kind of observation use your senses to observe results.

• Qualitative

• quantitative

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.