COLLEGE MATH PREP B - UNIT 3 EXAM WITH ALL
CORRECT & 100% VERIFIED ANSWERS|ALREADY
GRADED A+
Caleb placed 3 yellow balls and 4 red balls in a row.
How many visually distinct rows are possible? ✔Correct answer-35
The kitchen, dining room, and living room of a house will be painted, each with a different color.
There are 7 colors to choose from. This means that there are _[blank]_ color arrangements possible.
What number best completes the sentence?
Enter your answer as a number, like this: 42 ✔Correct answer-210
Jason, Lewis, and Nora will be placed in a line along with 7 other people.
What is the probability that they will be next to each other in any order? ✔Correct answer-6.67%
A password with 5 characters is randomly selected from the 26 letters of the alphabet.
What is the probability that the password does not have repeated letters, expressed to the nearest
tenth of a percent? ✔Correct answer-66.4%
A student draws several cards from a deck of 10 unique cards.
Which of these statements are true?
Select all that apply. ✔Correct answer-There are 120 different ways that 7 cards can be drawn.
There are 252 different ways that 5 cards can be drawn.
There are 210 different ways that 4 cards can be drawn.
For a class activity, a teacher put students into teams of 5. The teams were made up of 2 students
randomly chosen from group A and 3 students randomly chosen from group B.
If group A has 4 students and group B has 6 students, how many different team combinations were
possible?
Enter your answer as a number, like this: 42 ✔Correct answer-120
A workplace has 10 software engineers and 6 web designers. Of those workers, 3 are chosen at
random.
What is the probability that all 3 are software engineers?
Round the probability to the nearest tenth of a percent. ✔Correct answer-21.4%
A special raffle ticket lists 5 different numbers. The numbers range from 1 to 9. To choose a winner, 9
balls numbered 1 to 9 are placed in a container and mixed thoroughly. Then 5 balls are drawn at
random. The person who has the same numbers as the numbers on the 5 balls, in any order, wins a
prize.
Which calculation is equal to the probability that a particular person will win the raffle? ✔Correct
answer-5C5/9C5
The probability that Renee will win the race is 0.125.
What are the odds that he will win the race? ✔Correct answer-1:7
CORRECT & 100% VERIFIED ANSWERS|ALREADY
GRADED A+
Caleb placed 3 yellow balls and 4 red balls in a row.
How many visually distinct rows are possible? ✔Correct answer-35
The kitchen, dining room, and living room of a house will be painted, each with a different color.
There are 7 colors to choose from. This means that there are _[blank]_ color arrangements possible.
What number best completes the sentence?
Enter your answer as a number, like this: 42 ✔Correct answer-210
Jason, Lewis, and Nora will be placed in a line along with 7 other people.
What is the probability that they will be next to each other in any order? ✔Correct answer-6.67%
A password with 5 characters is randomly selected from the 26 letters of the alphabet.
What is the probability that the password does not have repeated letters, expressed to the nearest
tenth of a percent? ✔Correct answer-66.4%
A student draws several cards from a deck of 10 unique cards.
Which of these statements are true?
Select all that apply. ✔Correct answer-There are 120 different ways that 7 cards can be drawn.
There are 252 different ways that 5 cards can be drawn.
There are 210 different ways that 4 cards can be drawn.
For a class activity, a teacher put students into teams of 5. The teams were made up of 2 students
randomly chosen from group A and 3 students randomly chosen from group B.
If group A has 4 students and group B has 6 students, how many different team combinations were
possible?
Enter your answer as a number, like this: 42 ✔Correct answer-120
A workplace has 10 software engineers and 6 web designers. Of those workers, 3 are chosen at
random.
What is the probability that all 3 are software engineers?
Round the probability to the nearest tenth of a percent. ✔Correct answer-21.4%
A special raffle ticket lists 5 different numbers. The numbers range from 1 to 9. To choose a winner, 9
balls numbered 1 to 9 are placed in a container and mixed thoroughly. Then 5 balls are drawn at
random. The person who has the same numbers as the numbers on the 5 balls, in any order, wins a
prize.
Which calculation is equal to the probability that a particular person will win the raffle? ✔Correct
answer-5C5/9C5
The probability that Renee will win the race is 0.125.
What are the odds that he will win the race? ✔Correct answer-1:7