Probability

The following M & M colors are in the bowl:4 yellow, 6 orange, 3 green, 5 blue, 2 brown.What is the probability of selecting a brown candy?

• 2/18

• 1/9

• 2/20

• 1/10

A number cube, labeled 1 through 6, will be rolled one time. What is the likelihood of rolling a 6?

• Impossible

• Not likely

• Very likely

• Certain

How many outcomes are there with tossing a coin and rolling a dice?

• 2

• 6

• 12

• 24

The probability of an event is 67%.

Describe the likelihood of the event

• Certain

• Likely

• Equally likely/unlikely

• Unlikely

• Impossible

 A spinner is spun and the results are shown in the chart. Which of the following statements is true about the probability of spinning a blue?

• The experimental probability and theoretical probability are equal.

• The experimental probability is less than the theoretical probability.

• The experimental probability is greater than the theoretical probability.

• The experimental probability cannot be determined from the data.

In a random survey of 50 students at Great Middle School, 32 said chocolate was their favorite flavor of yogurt. The school has 450 students. How many of them are likely to select chocolate as their favorite flavor? 

• 144

• 162

• 225

• 288

When calculating experimental probability, as more trials are conducted, the experimental probability generally gets closer to the theoretical probability. Eventually, the experimental probability will equal theoretical probability. 

• True

• False

 There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?

• 2/5

• 1/21

• 4/25

• 1/7

 The cafeteria is serving three kinds of sandwiches:  tuna (T), chicken, (C), and peanut butter (P).  They are also serving a choice of two drinks:  milk (M) or water (W).  Which shows the complete set of possible combinations?

• TW,CW,PW

• TW, TM, TC, CW, PW

• TW, TM, CW, CM, PW, PM

• TCP, MW

A principal randomly chose 40 students from grade 5. Of these students, 9 were wearing watches. Based on this information, what is the most reasonable prediction of the number of students wearing watches in a group of 120 students from grade 5?

• 27

• 9

• 18

• 80