How many different ways can 4 people be seated in a row of 4 seats? Select the correct answer.

1
How many different ways can 4 people be seated in
a row of 4 seats? Select the correct answer.

1. 24
2. 16
3. 256
4. 20
5. 12
6. 252

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2
An employee ID number system consists of one
letter followed by 5 digits. How many different
ID numbers are possible with this system?

1. 2,600,000
2. 26,000,000
3. 1,535,274
4. 100,026

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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.

1. 26,970
2. 961
3. 27,000
4. 27,001

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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

1. 6
2. 24
3. 36

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5
Find the number of distinguishable permutations
of the given letters B D I MMM N Select the
correct answer.

1. 840
2. 720
3. 49
4. 128
5. 2,520

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6
How many possibilities are there in selecting a
committee of 4 members from a club of 24 members?
Select the correct answer.

1. 10,626
2. 255,024
3. 331,776

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

1. image
2. image
3. image
4. image

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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.

1. image
2. image
3. image
4. image
5. image

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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.

1. image
2. image
3. image
4. image
5. image

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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

1. 0.33
2. 5.33
3. 7.00

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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.

1. -0.15
2. 0.15
3. 0.00

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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.

1. -0.246
2. 0.246
3. 0.004
4. -0.004

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