FINAL
Question 1
You are interested in the number of English-speaking people on the planet
who want to play a new kind of online video game. You asked 300 college
students if they were interested in playing video games, 100 said yes, and of
them 20 preferred your game to an existing game that is widely used.
How many people were in the sample?
Select one:
a. The number of English-speaking people on the planet who want to play a
new kind of online video game.
b. 300
c. 200
d. 100
e. 20
Question 2
What is the mean of x?
x <- c(12, 14, 11, 14, 13, 15, 12, 16, 10)
Select one:
a. 12
b. 13
c. 14
d. 15
e. 16
Question 3
Using the value of x from the prior question, what is the standard deviation of
x?
Select one:
a. 1
b. 3.75
c. 9
d. sqrt(13)
e. 1.94
Question 4
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https://www.coursehero.com/file/44547133/final-exams-math-Copydocx/
, There was a very short quiz with five questions. The following table shows
the number of correct answers and the cumulative relative frequency for those
scores in the class.
value: 2 3 4 5
cumulative .13 .55 .925 1
relative
frequency:
What is the probability that a randomly selected student from the class scored
a 3 on the short quiz?
Select one:
a. .13
b. .42
c. .55
d. .375
e. .925
Information
Use this information for the next three questions.
A random variable called L is defined by the following table, but one of the
relative frequencies is missing:
value: -5 0 1 3 8
relative .17 .11 .23 .15
frequency:
Question 5
What is the missing value in the list of relative frequencies for random variable
L?
Select one:
a. .34
b. .23
c. .19
d. .17
e. .11
Question 6
This study source was downloaded by 100000808701186 from CourseHero.com on 01-11-2022 14:58:50 GMT -06:00
https://www.coursehero.com/file/44547133/final-exams-math-Copydocx/
Question 1
You are interested in the number of English-speaking people on the planet
who want to play a new kind of online video game. You asked 300 college
students if they were interested in playing video games, 100 said yes, and of
them 20 preferred your game to an existing game that is widely used.
How many people were in the sample?
Select one:
a. The number of English-speaking people on the planet who want to play a
new kind of online video game.
b. 300
c. 200
d. 100
e. 20
Question 2
What is the mean of x?
x <- c(12, 14, 11, 14, 13, 15, 12, 16, 10)
Select one:
a. 12
b. 13
c. 14
d. 15
e. 16
Question 3
Using the value of x from the prior question, what is the standard deviation of
x?
Select one:
a. 1
b. 3.75
c. 9
d. sqrt(13)
e. 1.94
Question 4
This study source was downloaded by 100000808701186 from CourseHero.com on 01-11-2022 14:58:50 GMT -06:00
https://www.coursehero.com/file/44547133/final-exams-math-Copydocx/
, There was a very short quiz with five questions. The following table shows
the number of correct answers and the cumulative relative frequency for those
scores in the class.
value: 2 3 4 5
cumulative .13 .55 .925 1
relative
frequency:
What is the probability that a randomly selected student from the class scored
a 3 on the short quiz?
Select one:
a. .13
b. .42
c. .55
d. .375
e. .925
Information
Use this information for the next three questions.
A random variable called L is defined by the following table, but one of the
relative frequencies is missing:
value: -5 0 1 3 8
relative .17 .11 .23 .15
frequency:
Question 5
What is the missing value in the list of relative frequencies for random variable
L?
Select one:
a. .34
b. .23
c. .19
d. .17
e. .11
Question 6
This study source was downloaded by 100000808701186 from CourseHero.com on 01-11-2022 14:58:50 GMT -06:00
https://www.coursehero.com/file/44547133/final-exams-math-Copydocx/
