Unit 4 Mastery Quiz 2

Henry has a fair number pyramid with four faces and a spinner with three equal-sized colored sections. The possible outcomes for each are shown below. What is the probability that the number pyramid will land on three and the spinner will stop on blue?

• 1/12

• 1/4

• 1/3

• 7/12

A cereal company puts a colored ring in each box of cereal. There are 6 different ring colors. The colors of the rings in each of 50 cereal boxes are shown in the table below. Based on the data, what is the probability that the next cereal box will contain a purple ring?

• 1

• 1/5

• 1/10

• 2/3

Which event is most likely to occur?

• Flipping a fair coin, with sides labeled heads and tails, and the coin landing on tails

• Choosing a marble out of a bag, with nine blue marbles and one red marble, and the marble being red

• Rolling a fair number cube, with faces labeled one to six, and the cube landing 2, 3, 4, 5, or 6.

• Spinning the arrow on a spinner, with four equal sectors labeled one to four, and the arrow landing on 1, 2 or 3.

Finley conducted an experiment with a jar of counters that have the same size and texture. The same number of counters of four colors were put into the jar. Finley took a counter from the jar, recorded the color, and put the counter back in the jar. The table shows the results of her experiment. Based on the data, what is the experimental probability that Finley picks a blue counter on her next trial?

• 3/10

• 1/3

• 1/4

• 3/7

Which tree diagram shows all of the possible outcomes for tossing a coin and rolling a fair number pyramid that has four sides labeled 1 through 4?

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Mr. Fletcher has a box containing bags of different types of chips. The number of bags and types of chips are shown in the table below. He will randomly give one bag of chips to each of his 20 students. Nelson is one of the students in Mr. Fletcher’s class. Which statement about the likelihood of Nelson receiving different types of chips is true?

• Nelson is less likely to receive either plain or nacho chips than cheddar chips.

• Nelson is twice as likely to receive cheddar chips as he is to receive corn chips.

• Nelson is equally as likely to receive corn chips as he is to receive either plain or nacho chips.

• Nelson is less likely to receive nacho chips than cheddar chips.

The school store sells spiral notebooks in four colors and three different sizes. The table shows the sales by size and color for 400 notebooks.

What is the experimental probability that the next customer buys a red notebook with 150 pages?

What is the experimental probability that the next customer buys any red notebook?