Module 22 Quiz

Which of these elements do NOT belong in the set  $A\cap B$ ?  (May select more than one.)

• 12

• 15

• 18

• 20

Which one of these elements DOES belong in the set  $\sim B$ ?

• 10

• 15

• 18

• 20

Which one of these represents the set  $A\cup B$ ?

•  $\left\{12,\ 18\right\}$  

•  $\left\{10,\ 14,\ 15,\ 16,\ 20\right\}$  

•  $\left\{10,\ 12,\ 14,\ 16,\ 18,\ 20\right\}$  

•  $\left\{10,\ 12,\ 14,\ 15,\ 16,\ 18,\ 20\right\}$  

Type your answer in as a reduced fraction or round to 2 decimal places.

P(A)=____

Type your answer in as a reduced fraction or round to 2 decimal places.
What is the probability that a number in  $U$  is in  $A\cup B$  ? 

Type answer as reduced fraction or rounded to 2 decimals.  
If you randomly choose a card from a deck of 52 cards, what is the probability that you do not choose a face card (J, Q, K)?  

If you randomly choose a card from a deck of 52 cards, what is the probability that you get a black card or a face card?

•  $\frac{16}{52}$  

•  $\frac{26}{52}$  

•  $\frac{32}{52}$  

•  $\frac{38}{52}$  

If you have homework for all 6 of your classes (1 assignment per class), how many ways can you choose two assignments to get done before dinner?

In how many different ways can the letters in the word MATHEMATICS be rearranged?

If there are 9 runners running a race, which of the following CANNOT be used to count the number of ways in which the 1st, 2nd and 3rd place medals can be awarded?  (May select more than one.)

•  $9\cdot8\cdot7$  

•  $\frac{9!}{6!}$  

•  $\frac{9!}{6!3!}$  

•  $_9P_3$  

•  $_9C_3$