Using Probability to Make Predictions

A bag has 3 red marbles, 2 blue and 4 yellow. The P(Blue)=2/9. If you picked 27 marbles, how many of them would you expect to be blue?

• 3

• 2

• 4

• 6

Tags

CCSS.7.SP.C.6

A jar contains 2 pink, 6 red, and 4 blue marbles. The P(Pink)=2/12. If you picked 24 marbles (and then put them back), how many of them would you expect to be pink?

• 4

• 2

• 24

• 12

Tags

CCSS.7.SP.C.6

These 12 shapes are put into a bag.  If you reach into the bag 60 times, replacing the shape after each time, predict how many times you would pull out a circle.

• 15 times
• 20 times
• 25 times
• 30 times

Tags

CCSS.7.SP.C.6

If I spin 35 times, how many times would I land on yellow? *Hint: Set up a proportion.

• 7
• 35

• 5

• 8

Tags

CCSS.7.SP.C.6

During the first several rounds of a golfing league, Anthony made par or better on 32 out of 80 holes. Based on this relative frequency, how many pars or better could he be expected to make on the remaining 160 holes?

• 54 pars or better

• 60 pars or better

• 64 pars or better

• 70 pars or better

Tags

CCSS.7.SP.C.6

Ten cards numbered 1 through 10 mixed together and then one card is drawn. If you draw 80 times, how many times would you pick a 5?

• 80

• 1

• 8

• 40

Tags

CCSS.7.SP.C.6

Mark surveyed 20 after a vacation and found that 5 families had traveled outside of Texas. Based on the survey results, if 100 families vacation next week, how many will travel outside of Texas?

Mathematical Equivalence

ON

Tags

CCSS.6.RP.A.3B

Gerri rolled a number cube 50 times with the results in the table shown.

Based on these results, predict the number of times she can expect to roll a number one in 200 rolls.

Mathematical Equivalence

ON

Tags

CCSS.7.SP.C.6

While writing a research paper, Markus noticed that for every 50 words he typed, he made 3 mistakes. If the final paper is 1,000 words in length, how many mistakes can Markus expect to make typing his paper?

Mathematical Equivalence

OFF

Tags

CCSS.6.RP.A.3B

There were 2 defective USB thumb drives in a shipment of 500. How many can be expected to be defective in a shipment of 1,000?

Mathematical Equivalence

OFF

Tags

CCSS.7.SP.C.6