1. How many different ways can 4 people be seated in a row of 4 seats? Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.24 2.16 3.256 4.20 5.12 6.252

2. An employee ID number system consists of one letter followed by 5 digits. How many different ID numbers are possible with this system? 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2,600,000 2.26,000,000 3.1,535,274 4.100,026

3. How many different combinations of people can be chosen as president, vice president, and secretary of a class of 31 students? Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.26,970 2.961 3.27,000 4.27,001

4. How many three-digit odd numbers can be formed using the digits 9, 4, 6, and 8 if repetition of digits is not allowed? Choose the answer from the following : 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.6 2.24 3.36

5. Find the number of distinguishable permutations of the given letters B D I MMM N Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.840 2.720 3.49 4.128 5.2,520

6. How many possibilities are there in selecting a committee of 4 members from a club of 24 members? Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.10,626 2.255,024 3.331,776

7. An experiment consists of tossing a coin 5 times. Find the probability of getting heads exactly one time. Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3.4.

8. A drawer contains an unorganized collection of 52 socks: 14 pairs are red, 6 pairs are white, and 6 pairs are black. If one sock is drawn randomly from the drawer, what is the probability that it is red? Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

9. A roulette wheel has 20 slots; two slots are numbered 0 and 00, and the remaining slots are numbered from 1 to 18. Find the probability that the ball lands in an odd- numbered slot. Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

10. Jane wins $17 if a die roll shows a six, and she loses $3 otherwise. Find the expected value (or expectation) of the game. Choose the answer from the following: 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.$0.33 2.$5.33 3.$7.00

11. A bag contains 2 silver dollars and 8 slugs. You pay 35 cents to reach into the bag and take a coin, which you get to keep. Find the expected value (or expectation) of the game. Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.-$0.15 2.$0.15 3.$0.00

12. A slot machine has three wheels, and each wheel has 11 positions: the digits 0 to 9 and a picture of a watermelon. When a quarter is placed in the machine and the handle is pulled, the three wheels spin independently and come to rest. When three watermelons show, the payout is $5.5, otherwise, nothing is paid out. What is the expected value of this game? Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.-$0.246 2.$0.246 3.$0.004 4.-$0.004