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## AMU MATH 125 week 6 test answers American Military University

# AMU MATH 125 Test Week 6 answers

## AMU MATH 125 Test Week 6 question 1

1.0/ 1.0 Points

Evaluate the expression.

A.332,640

B.1

C.2

D.11,880

## AMU MATH 125 Test Week 6 Question 2

How many different ways can 2 winning tickets be selected from 40 tickets if each ticket wins a different prize?

A.2,060

B.1,460

C.1,560

D.1,660

## AMU MATH 125 Test Week 6 Question 3

A baseball pitcher has only three pitches: a fast ball, a curve ball, and a knuckle ball. As the pitcher warms up before an inning, she wants to throw a fast ball 3 times, a curve ball 5 times, and a knuckle ball 4 times. How many different ways can this be done.

A.7,983,360

B.12

C.27,720

D.60

## AMU MATH 125 Test Week 6 Question 4

Find both the number of combinations and the number of permutations for the given number of objects. 11 objects taken 7 at a time

A.

B.

C.

D.

## AMU MATH 125 Test Week 6 Question 5

Decide whether the selection described is a combination or a permutation. Four students from a class of 25 are selected to wash the boards in the classroom.

A.combination

B.cannot be determined

C.permutation

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## AMU MATH 125 Test Week 6 Question 6

A teacher has 17 boys and 19 girls in her class. In how many ways can she select 4 of the children to be in a play if she must select 2 boys and 2 girls.

A.23,276

B.23,246

C.23,266

D.23,256

## AMU MATH 125 Test Week 6 Question 7

Which of the numbers that follow could represent a probability?

A.both I and II

B.neither

C.only II

D.only I

## AMU MATH 125 Test Week 6 Question 8

Decide whether the probability described is classical or empirical. A container contains 42 ping pong balls labeled 1 through 42. The probability of drawing a ball at random having a number less than 6 is .

A.empirical

B.classical

C.cannot be determined

## AMU MATH 125 Test Week 6 Question 9

If a die is rolled one time, find the probability of getting a number greater than 0.

A.0

B.1/6

C.5/6

D.1

## AMU MATH 125 Test Week 6 Question 10

The children at a certain school were asked what they prefer to drink with their lunch, and the following table summarizes the children’s responses.

The school only serves milk, chocolate milk, or water with lunch. What is the probability that the first student in line for lunch will be served their preferred beverage with their lunch?

A.0.46

B.0.62

C.0.38

D.0.54

## AMU MATH 125 Test Week 6 Question 11

The 835 children at a certain school were asked what they prefer to drink with their lunch, and the following responses were obtained.

The school only serves milk, chocolate milk, or water with lunch. What is the probability that the first student in line for lunch will be served their preferred beverage with their lunch? Round to two decimal places.

A.0.54

B.0.38

C.0.46

D.0.62

## AMU MATH 125 Test Week 6 Question 12

A single card is drawn from an ordinary 52-card deck. Find the probability of getting a 5 of hearts.

A.1/52

B.1/13

C.1/26

D.1/4

## AMU MATH 125 Test Week 6 Question 13

A single card is drawn from an ordinary 52-card deck. Find the probability of getting a diamond or a jack.

A.4/13

B.1/26

C.1/52

D.1/13

AMU MATH 125 Test Week 6 Question 14

A single card is drawn from an ordinary 52-card deck. Find the probability of getting a red 10.

A.1/52

B.1/4

C.1/13

D.1/26

## AMU MATH 125 Test Week 6 Question 15

Two dice are rolled. Find the probability of getting a sum greater than 8.

A.2/9

B.13/36

C.5/18

D.0

## AMU MATH 125 Test Week 6 Question 16

A package contains 16 candy canes, 13 of which are cracked. If 2 are selected, find the probability of getting no cracked candy canes.

A.0.0250

B.0.2287

C.0.1355

D.0.3269

## AMU MATH 125 Test Week 6 Question 17

A package contains 16 candy canes, 6 of which are cracked. If 3 are selected, find the probability of getting exactly three cracked candy canes.

A.0.3925

B.0.2993

C.0.0357

D.0.0907

## AMU MATH 125 Test Week 6 Question 18

A person must select 5 numbers from 13 numbers for a single ticket in a lottery game. Only one number has to match in order to win a prize. Find the probability of winning if a person buys one ticket. (Note: The numbers can be selected in any order.) Round to four decimal places, if necessary.

A.0.0035

B.0.0001

C.0.0154

D.0.3846

## AMU MATH 125 Test Week 6 Question 19

When a single card is drawn from a shuffled deck of cards, find the odds in favor of getting a 7.

A.12:1

B.1:12

C.51:1

D.1:51

## AMU MATH 125 Test Week 6 Question 20

The odds against an event are 8:5. Find the probability that the event will occur.

A.5/13

B.8/5

C.5/8

D.8/13

## AMU MATH 125 Test Week 6 Question 21

A box contains five $1 bills, two $5 bills, seven $10 bills, and four $20 bills. What is the expectation if one bill is selected?

A.$8.17

B.$10.17

C.$9.17

D.$11.17

## AMU MATH 125 Test Week 6 Question 22

A lottery has one $2000 prize, two $1000 prizes, and ten $500 prizes. Two thousand tickets are sold at $5 each. Find the expectation if a person buys two tickets.

A.–$1.00

B.–$2.00

C.–$0.50

D.–$0.25

## AMU MATH 125 Test Week 6 Question 23

A single card is drawn from a deck. What is the probability of getting a queen or a king?

A.2/13

B.3/52

C.1/13

D.7/52

## AMU MATH 125 Test Week 6 Question 24

A single card is drawn from a deck. Find the probability of selecting a 9 or a diamond.

A.4/13

B.17/52

C.7/52

D.9/26

## AMU MATH 125 Test Week 6 Question 25

The bookstore has ten red school jerseys, four blue school jerseys, and nine green school jerseys to choose from. If a student selects one at random, find the probability it is red or green.

A.4/23

B.19/23

C.15/19

D.4/19

## AMU MATH 125 Test Week 6 Question 26

Three cable channels (95, 97, and 103) air quiz shows, comedies, and dramas. The numbers of shows aired are shown here.

If a show is selected at random, what is the probability that the show is on Channel 103 or it is a comedy?

A.2/7

B.5/7

C.3/10

D.27/35

## AMU MATH 125 Test Week 6 Question 27

If two people are selected at random, what is the probability that they were both born in the same month?

A.1/144

B.1/132

C.1/6

D.1/12

## AMU MATH 125 Test Week 6 Question 28

In a shop there are 35 customers, 12 of whom will make a purchase. If three customers are selected, one at a time, at random, what is the probability that all will make a purchase?

A.0.1255

B.0.1539

C.0.0336

D.0.0448

## AMU MATH 125 Test Week 6 Question 29

A coin is tossed and then a die is rolled. Find the probability of getting a 5 on the die given that the coin landed tails up.

A.1/6

B.1/36

C.1/3

D.1/12

## AMU MATH 125 Test Week 6 Question 30

Two dice are rolled. Find the probability that the sum was a 9 given that one of the numbers was a 5.

A.1/11

B.1/6

C.2/11

D.1/12