Making Predictions Based on Probabilities Q2

Based on the results shown in the table, how many white marbles would one expect to draw in a total of 50 draws? (hint:set up a proportion)

• 2

• 5

• 10

• 20

Tags

CCSS.7.SP.C.6

The bar graph shows the results of spinning the spinner 200 times. What is the experimental probability of landing on a 4 ?

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Tags

CCSS.7.SP.C.6

Jillian rolled a number cube 360 times. About how many times do you expect her to roll a 2?

• 20 
• 180
• 60 
• 120

150 people were polled on their favorite sport. Based on the table, if you asked only 25 people what their favorite sport is, how many would say soccer is their favorite sport?

• 5 people

• 6 people

• 8 people

• 10 people

Tags

CCSS.7.RP.A.3

Twenty-five people were asked which gift was their favorite.  Using the table,which statement is false?

• Perfume & flowers were equally favored
• Jewelry was the favorite 1/5 of the time.
• Perfume & clothes were favored half the time.
• Flowers were twice as popular as clothes

These 12 shapes are put into a bag.  What is the probablity of reaching into the bag without looking and pulling out a square, NOT replacing the square and pulling out a second square?

• 1/11
• 1/9
• 1/3

There are 8 blue marbles in a bag of 20 total marbles.  What is the probablity of NOT choosing a blue marble at random from the bag?

• 40%
• 60%
• 80%
• 85%

On Saturday, 20 out of 80 thirteen year olds slept past 9 AM.  What percent slept past 9 AM?

• 25%
• 30%
• 40%
• 75%

150 people were polled on their favorite sport.  The results are in the table.  Which statement is true?

• Baseball & swimming are more popular than football.
• Football & tennis are more popular than soccer & baseball.
• 25% of people prefer soccer & basketball.
• 10% more people prefer soccer than basketball.

Tags

CCSS.6.RP.A.3A

What is the probability of tossing two six-sided dice and both landing on 3?

• 1/6
• 1/36
• 1/4