Chapter 10 Review

Determine whether the question would be a permutation or combination: Thirty-two students have applied to serve on student council, where all the positions are the same. There are only 6 openings. How many ways could the openings be filled?

• Combination

• Permutation

• Neither

How many ways can a club select a president, vice president, and a secretary from a group of 5 people?

• 12

• 60

• 15

• 125

When three-digit telephone area codes were first put in place, the first number could be any digit (2-9), the second number could only be 0 or 1, and the third could be any digit (0-9). How many possible area codes can be created with this format?

• 24

• 126

• 140

• 160

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? 

• 4%
• 14%
• 13%
• 29%

What percentage of SUV's are driven by women?

• 56.25%
• 75%
• 83.25%
• 86.5%

A survey explored the relationship between gender and band class. Which is a reasonable conclusion?

• There are more band members than non-band members
• There are more boys in the class than girls
• There are more boys in band than not in band
• More than half of the bands members in the class are girls

What is a Complement in probability?

• Saying-- You look very nice today.

• Probability of an event happening

• Probability of an event NOT happening

• Not here

What is the complement of choosing a red marble if there are 8 red marbles in a jar of 15?

• P' = 3/15

• P' = 7/15

• P' = 8/15

• P' = 15/8

Cleo is making a model of the 9 planets in the solar system, and she needs Mars and Pluto. The clerk at the hobby shop draws a planet at random from a bin that has one of each planet in the solar system. What is the probability that he will NOT draw one of the two planets Cleo needs?

• 1/9

• 2/9

• 2/3

• 7/9

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