Math DS 6.4.1.4

10. Melissa drew a red chip from a bag with an unknown mixture of chips recorded the color of the chip and then put the chip back into the bag. She repeated her experiment ten times and recorded the results each time. The table below is the results of her experiment. What is the best prediction about the colored chips in the bag, based on the results?

A. There are about the same number of red and blue chips in the bag.

B. There are 8 red chips in the bag.

C. There are 2 blue chips in the bag.

D. About 80% of the chips in the bag are red.

11. Ms. Martin’s class is conducting and experiment using a jar containing colored marbles. 11. Ms. Martin’s class is conducting and experiment using a jar containing colored marbles. Without looking at the jar of marbles, each of the thirty students in the class takes out one marble, records the color, and then puts the marble back into the jar. The class recorded 10 black marbles, 10 blue marbles, and 10 white marbles. Given those results, what is the probability that the next marble will be white?

A. 10%

B. 33%

C. 30%

D. 20%

12. Examine the results recorded in the table above for rolling a number cube. What is the difference between the theoretical probability of rolling a one or a two, and the experimental probability

A. The theoretical probability of rolling a one or a two is the same as the experimental probability.

B. The theoretical probability of rolling a one or a two is higher than the experimental probability.

C. The theoretical probability of rolling a one or a two is lower than the experimental probability.

D. The theoretical probability of rolling a one or a two is nineteen.

Math DS 6.4.1.4

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