7.8 Probability Quiz

Peter picks one bill at a time from a bag and replaces it. He repeats this process 100 times and records the results in the table, which bill has an experimental probability of $\frac{7}{25}$  for being drawn from the bag next? 

• $1

• $5

• $10

• $20

At Van's Video Store, 30% of the children's movies are animated. If a customer randomly chooses one children's movie, what is the probability that the movie he chooses will be animated?

• $\frac{3}{10}$

• $\frac{1}{3}$

• $\frac{2}{3}$

• $\frac{7}{10}$

The rose bushes in Pattie's Plant Store have the following colors:

20% yellow blooms

50% red blooms

30% pink blooms

If George selected a rosebush at random today, what is the probability that it will produce yellow blooms?

• $\frac{1}{2}$

• $\frac{3}{10}$

• $\frac{1}{5}$

• $\frac{4}{5}$

A regular card deck contains 52 cards, 4 of which are aces. Assuming the cards are dealt randomly, what is the probability that the first card dealt will be an ace?

• $\frac{1}{52}$

• $\frac{1}{13}$

• $\frac{1}{12}$

• $\frac{4}{13}$

This spinner has 3 sections of equal size. The arrow of this spinner was spun 30 times and landed on the blue section 12 times. The arrow will be spun one more time. What is the theoretical probability that the arrow will land on the blue section on the next spin? Your answer must be in simplest form. (use "/" for fraction bar)

Beth will reach into the bag and randomly choose 1 ballon. What is the experimental probability she will choose a green ballon?

•  $\frac{1}{3}$  

•  $\frac{2}{5}$  

•  $\frac{3}{5}$  

•  $\frac{2}{3}$  

Lauren wants to find the probability of landing on heads when flipping a coin. She flipped the coin 100times, and landed on heads 47times. She reasons that the probability of flipping a heads is $\frac{47}{100}$  . 

This probability represents:

• Theoretical Probability 

• Experimental Probability 

• Both Theoretical and Experimental Probability 

• Neither Theoretical and Experimental Probability 

A fair number cube was rolled 50 times. The table shows the results. According to the table, what is the theoretical probability of rolling an even number? Use decimal form to show probability.

A fair number cube was rolled 50 times. The table shows the results. According to the table, what is the experimental probability of rolling a number greater than four? Use decimal form to show probability.

A quarter was tossed seventy five times. It landed on heads thirty times. Choose ALL of the statements that correctly show the experimental probability.

• $\frac{30}{75}$

• $0.4\%$

• $40\%$

• $0.4$