# An experiment consists of choosing a subset from a fixed number of objects where the arrangement/order of the chosen objects is not important. Determine the size of the sample space when you choose the following:

1. (2 points) An experiment consists of choosing a subset

from a fixed number of objects where the arrangement/order of

the chosen objects is not important. Determine the size of the

sample space when you choose the following:

(a) 2 objects from 24

Answer :

(b) 4 objects from 15

Answer :

(c) 7 objects from 25

Answer :

Answer(s) submitted:

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(incorrect)

2. (2 points) Determine the size of the sample space that

corresponds to the experiment of tossing a coin the following

number of times:

(a) 2 times

Answer:

(b) 3 times

Answer:

(c) n times

Answer:

Answer(s) submitted:

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(incorrect)

3. (2 points) Suppose you select a letter at random from the

word MISSISSIPPI.

The probability of selecting the letter I is

The probability of selecting the letter S is

The probability of selecting the letters P or M is

The probability of not selecting the letter M is

Answer(s) submitted:

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(incorrect)

4. (2 points) A fun size bag of M&Ms has about 18 candies.

You open one of the bags and discover:

3 Blues, 3 Yellows, 5 Browns, 4 Reds and 3 Greens.

The probability of choosing a brown is .

The odds in favor of choosing a yellow is

The probability of choosing either a blue or a red is

The odds against a green being chosen is

Answer(s) submitted:

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(incorrect)

5. (2 points) Look at these tiles.

Haley puts these 12 tiles in a bag and shakes. Then she pulls

out a tile at random.

What is the probability she picks a tile that is a multiple of 3?

• A. 4

12

• B. 8

12

• C. 8

4

• D. 4

8

Answer(s) submitted:

•

(incorrect)

6. (2 points)

There are five Oklahoma State Officials: Governor (G), Lieutenant Governer (L), Secretary of State (S), Attorney General

(A), and Treasurer (T). Take all possible samples without replacement of size 3 that can be obtained from the population of

five officials. (Note, there are 10 possible samples!)

(a) What is the probability that the governor is included in

the sample?

(b) What is the probability that the governor, attorney general

and the treasurer are included in the sample?

Answer(s) submitted:

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(incorrect)

7. (2 points) What is the probability that a family with three

children will have:

a) All boys?

b) One girl?

c) Two girls?

Answer(s) submitted:

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•

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1

(incorrect)

8. (2 points) How many ways can a team of 25 hockey players choose a captain and two alternate captains?

Answer(s) submitted:

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(incorrect)

9. (2 points) A bookshelf has space for exactly 11 books. In

how many ways can the books be arranged on the bookshelf?

Answer(s) submitted:

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(incorrect)

10. (2 points) A park bench can seat 4 people. How many

seating arrangements are possible if 4 people out of a group of

12 want to sit on the park bench?

Answer(s) submitted:

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(incorrect)

11. (2 points) In how many ways can a person invite 4 out of

their 14 closest friends to a dinner party?

Answer(s) submitted:

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(incorrect)

12. (2 points) A company conducted a marketing survey

of college students and found that 213 own a bicycle and 112

owned a car. If 22 of those surveyed own both a car and a bicycle, how many interviewed have a car or a bicycle?

Answer(s) submitted:

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(incorrect)

13. (2 points) A company conducted a marketing survey of

its clientele and found that 215 own an iPhone and 79 own an

iPad. If 27 clients own both an iPhone and an iPad, how many

interviewed have an iPhone or an iPad?

Answer(s) submitted:

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(incorrect)

14. (2 points) A standard Missouri state license plate consists

of a sequence of two letters, one digit, one letter, and one digit.

How many such license plates can be made?

A standard New York state license plate consists of a sequence of three letters followed by three digits. How ma

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