Probability Test Review

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7
• 5/49
• 5/7
• 10/49

What is the probability of spinning an even number? 

• 16 2/3%
• 33 1/3%
• 50%
• 75%

Find the probability of rolling a 7 on a single die.

• 1/6
• 7/6
• 0
• 7/7

If you roll a die one time, find P(rolling a 2).

• 1/6
• 2/6
• 1/3
• 1/2

What is the probability of flipping a coin and getting tails?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

Something that is unlikely has a probability of ...

• Between 1 and 2

• Between 0.5 and 1

• Between 0 and 0.5

Something that is likely has a probability of ...

• Between 1 and 2

• Between 0.5 and 1

• Between 0 and 0.5

If you spin this spinner once, what is the probability of landing on a number greater than 0?

• certain

• impossible

• unlikely

50% is ------

• Equally likely

• Certain

• Likely

If an event is CERTAIN to happen it has a probability of ZERO.

• True

• False