math

11/11/21, 1:07 AM Quiz: Section 8.5

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Section 8.5 Started: Nov 11 at 1:07am

Quiz Instructions

3 ptsQuestion 1

A team of 9 players is to be selected from 26 eligible players. How many different teams can be formed?

3 ptsQuestion 2

A committee including 4 women and 4 men is to be formed from a pool of 9 women and 8 men. How many committees may be formed?

3 ptsQuestion 3

495

380

178

The U.S. Olympic Rowing coach has been given a list of individuals to form the USA Men’s Eight Rowing team, which should have members. How many different teams of may be selected from the list of individuals?

12

8

8

11/11/21, 1:07 AM Quiz: Section 8.5

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The correct answer is not listed

506

290

603

312

3 ptsQuestion 4

A local school board of 18 people needs to form a committee of 6 people. How many different ways can this committee be formed?

3 ptsQuestion 5

In a meeting of county officials, 17 people exchange greetings. How many greetings are exchanged, if everyone greets each other once? (Hint: each greeting involves two people).

3 ptsQuestion 6

In a game, 6 bingo balls are being picked randomly from a pool of 29 bingo numbers. Assuming that the order of the numbers that are picked does not matter, how many possible ways are there for picking the numbers.

11/11/21, 1:07 AM Quiz: Section 8.5

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3 ptsQuestion 7

Correct answer is not listed

1900

2600

4100

890

2980

3003

4100

The U.S. Olympic Rowing coach has been given a list of individuals to form the USA Men’s Eight Rowing team, which should have members. How many different teams of may be selected from the list of individuals?

14

8

8

3 ptsQuestion 8

In how many ways can a committee of 5 members be formed from a group of 13 individuals?

4 ptsQuestion 9

11/11/21, 1:07 AM Quiz: Section 8.5

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A flower shop is about to close for the day when a customer walks in a hurry and asks for a bouquet of several roses. The shop owner has 10 yellow roses and 13 red roses left after a busy day, and randomly selects several roses to make the bouquet for the customer that appears to be in a rush. What is the probability that the customer ends up with a bouquet of 5 yellow and 4 red roses?

Note: If your answer has up to four decimal places, please enter it in the box below without rounding the number. However, if your answer has more than four decimal places, please round your answer to four decimal places.

4 ptsQuestion 10

A middle school is putting together a group of 12 children to represent the school at various sports competitions with other schools. 25 sports-loving students, of whom 9 are girls and the rest are boys, have volunteered to be in the group. If the selections are made at random, what is the probability of selecting 12 children from the 25 volunteers such that 6 are girls and the rest are boys?

Note: For any final answer that has up to four decimal places, enter your answer without rounding the number. For any answers with more than four decimal values, round your final answer to four decimal places.

4 ptsQuestion 11

A stack of 12 red cards and 10 green cards is shuffled and placed on a table. The cards are distinguished from each other by a number that has been written on each one. What is the probability of randomly selecting 3 red and 3 green cards from this stack.

11/11/21, 1:07 AM Quiz: Section 8.5

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Note: If your answer has up to four decimal places, please enter it below without rounding the number. But if your answer has more than four decimal places, round the number to four decimal places.

4 ptsQuestion 12

A semi-truck for a recreational cycling group carries 9 mountain bikes and 10 ten-speed bikes. A group of member cyclists go on a weekend recreational cycling trip, and each receives a random pick of the bicycles from the truck. What is the probability that 4 mountain bikes and 7 ten-speed bikes were distributed to the cyclists?

Note: If your answer has up to four decimal places, please enter it in the box below without rounding the number. However, if your answer has more than four decimal places, please round your answer to four decimal places.

4 ptsQuestion 13

A math teacher chooses 3 students at random from a class of 16 to solve a problem at the board. If 9 students in the entire class know how to solve the problem, what is the probability that of the 3 students who were picked, only 2 know(s) how to solve the problem?

Note: For any final answer that has up to four decimal places, enter your answer without rounding the number. For any answers with more than four decimal values, round your final answer to four decimal places.

11/11/21, 1:07 AM Quiz: Section 8.5

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