Probability Review Quiz

You roll a pair of fair dice. What are the odds against rolling a sum of 10?

• 1:12

• 1:11

• 12:1

• 11:1

Suppose this Accounting Monster really does generate random digits. What are the odds against Dilbert seeing this particular result for six digits?

• 999,999:1

• 60:1

• 59:1

• 1,000,000:1

If all the letters in the alphabet were placed in a bowl, what are the odds for pulling out an “A”, “H”, “R” or “X”?

• 2:11

• 11:2

• 2:13

• 13:2

A horse's odds of winning a race are quoted at 7:2. What is the probability that the horse wins the race? Round to the nearest percent.

[**Note - Odds in horse racing are always odds against.]

• 22%

• 28%

• 78%

• 72%

Consider the sample space represented by the Venn Diagram. What is P(not sport)?

• $\frac{12}{25}$

• $\frac{13}{25}$

• $\frac{3}{50}$

• $\frac{23}{50}$

Tags

CCSS.HSS.CP.A.1

Of the times when the forecast called for rain, what is the percentage that it actually rained?

• about 90%

• about 50%

• about 80%

• about 70%

Tags

CCSS.HSS.CP.B.6

What percent of the total population surveyed were electrical engineers that like math?

• 6

• 5

• 11

• 50

Tags

CCSS.8.SP.A.4

What percent of people who attended the basketball game also attended the school play?

• 15%

• 19%

• 7%

• .15

Tags

CCSS.8.SP.A.4

In a group of 101 students, 40 are juniors and 50 are female and 22 are female juniors. Find the probability that a student selected from the group at random is either a junior or female.

• $\frac{30}{101}$

• $\frac{90}{101}$

• $\frac{68}{101}$

• $\frac{20}{101}$

Tags

CCSS.HSS.CP.B.7

A single card is chosen at random from a standard deck of 52 playing cards. What is the probability of choosing a king or a club?

• $\frac{17}{52}$

• $\frac{4}{13}$

• $\frac{1}{52}$

• $\frac{10}{13}$

Tags

CCSS.HSS.CP.B.7