Unit 10 - Compound Probability

What is the probability of selecting a “R” on the first spinner and a “2” on the second spinner? 

Alex is selecting a design for his room. He randomly picks one design from sports, cartoon, and game room as shown in the table. What is the probability that Alex picks a game room design?

There are 20 cats at a pets hotel. The pets hotel notices that there are 5 black cats, 10 gray cats, and none of the cats are black and gray. Based on these results, predict how many out of 60 cats would be black or gray. 

Johnny has a jar of marbles that contains 10 blue, 10 red, 8 white, and 2 green. Suppose Johnny had a larger jar of 240 marbles with the same ratio of colors. What is the probability of selecting either a white or green marble from the larger jar?

Tony selects chips from a bag without looking at them. The bag has 5 green chips, 3 red chips, and 7 blue chips. What is the probability that Tony selects a red or blue chip?