Topic Review #3

How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

• 15
• 40
• 80
• 10

How many 5-digit (numerical) passwords are possible for the school email system if the first digit cannot be 0?

• 11,424,400
• 10,967,424
• 9000
• 90,000

How many ways can you listen to 3 songs from a CD that has 12 selections?

• 1320
• 33
• 36

How many ways can you choose a manager and assistant from a 9-person task force?

• 81
• 18
• 72

There are 23 marbles, each a different color in a bag. One of them is pink. What is the probability of reaching in to the bag, without looking, and selecting a pink marble?

• 1/22
• 1/23
• 23/1

How do we determine which event is most likely to occur?

• The event has the closest improper fraction to 1
• The event has the closest proper fraction to 1/2
• The event has the closest proper fraction to 0
• The event has the closest proper fraction to 1

Which of the following expressions would be used to calculate the complement of an event occurring?

• P(event) - 1
• P(event 1) x    P(event 2)
• P(event)/possible outcomes
• 1 - P(event)

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a letter that is a vowel and then choosing the letter “M”?

• 8/121
• 4/11
• 2/11
• 4/121

There are 6 roads from Ponder to Justin, 2 roads from Justin to Halslet, and 3 roads from Haslet to Saginaw.  How many possible routes are there from Ponder to Saginaw using only these roads and no backtracking? 

• 12
• 11
• 18
• 36

If Jacob throws a dart, what is the probability that it will land in the unshaded area?

• 50%
• 20%
• 35%
• 25%