7SP5&6 Practice Probability

If Jacin tosses a coin, what is the likelihood it will land on heads?

• likely
• unlikely
• equally likely
• Impossible

If Reagan tosses a number cube with the numbers 1 through 6, what is the chance it will land on 7? 

• likely
• unlikely
• neither  likely nor unlikely
• Impossible

If Reagan tosses a number cube with the numbers 1 through 6, what is the chance it will land on 2? 

• likely
• unlikely
• neither  likely nor unlikely
• Impossible

There are 142 marbles in a jar.  There are 50 red marbles, 40 yellow marbles, and 52 blue marbles.  What is the probability of choosing a red or blue marble? 

• 51/71
• 51/142
• 104/142
• 52/284

Which value could not represent the probability of an event?

• 0.5
• 2/3
• -1.0
• 1.0

A sample of 35 pieces of candy was selected from a bag of 280 pieces.  Of the 35 pieces, 5 were blue.  How many candies would you expect to be blue in the entire bag?

• 35
• 5
• 70
• 40

If a fair spinner with the numbers 2, 4, 6, 8, 10, 12, 14, and 16 is spun 136 times, about how many times could you expect to spin a 14? 

• 17 times
• 8 times 
• 16 times
• 14 times

A number cube has sides labeled   1, 1, 2, 3, 5, and 7.  If the cube is rolled 108 times, how many times can you expect to land on 1?

• 2 times
• 18 times
• 18/108 times
• 36 times

If a fair spinner with the numbers 2, 4, 6, 8, 10, 12, 14, and 16 is spun 96 times, how many times can she expect it to land on a number more than 10?   

• 8 times
• 36 times
• 16 times
• 48 times

For a scratch off lottery ticket game, 3 out of 45 people will win.  If 1215 people play the game, how many could expect to win?

• 81
• 15
• 27
• 18