Suppose that for a given computer salesperson, the probability distribution of x = the number of systems sold in 1 month is given by the following table. 1 2 3 4 5 7 8 p(x) 0.04 0.10 0.13 0.30 0.30 0.11 0.01 0.01 (a) Find the mean value of x (the mean number of systems sold). (b) Find the variance and standard deviation of x. (Round your standard deviation to four decimal places.) variance standard deviation How would you interpret these values? (Round your standard deviation to four decimal places.) The mean squared deviation from the mean number of systems sold in one month is sold in one month is A typical deviation from the mean number of systems (c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value? (d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean?
Suppose that for a given computer salesperson, the probability distribution of x = the number of systems sold in 1 month is given by the following table. 1 2 3 4 5 7 8 p(x) 0.04 0.10 0.13 0.30 0.30 0.11 0.01 0.01 (a) Find the mean value of x (the mean number of systems sold). (b) Find the variance and standard deviation of x. (Round your standard deviation to four decimal places.) variance standard deviation How would you interpret these values? (Round your standard deviation to four decimal places.) The mean squared deviation from the mean number of systems sold in one month is sold in one month is A typical deviation from the mean number of systems (c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value? (d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
Related questions
Question
100%
7.3
![Suppose that for a given computer salesperson, the probability distribution of x = the number of systems sold in 1 month is given by the following table.
1
2
3
4
5
7
8
p(x)
0.04 0.10 0.13 0.30 0.30 0.11
0.01
0.01
(a) Find the mean value of x (the mean number of systems sold).
(b) Find the variance and standard deviation of x. (Round your standard deviation to four decimal places.)
variance
standard deviation
How would you interpret these values? (Round your standard deviation to four decimal places.)
The mean squared deviation from the mean number of systems sold in one month is
sold in one month is
A typical deviation from the mean number of systems
(c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value?
(d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6484a2ba-7b6c-4144-bd9b-1f2d784a131b%2F4f4b7b6c-9b7b-429b-a84c-dd82f860c8f1%2Fqs7jzhq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Suppose that for a given computer salesperson, the probability distribution of x = the number of systems sold in 1 month is given by the following table.
1
2
3
4
5
7
8
p(x)
0.04 0.10 0.13 0.30 0.30 0.11
0.01
0.01
(a) Find the mean value of x (the mean number of systems sold).
(b) Find the variance and standard deviation of x. (Round your standard deviation to four decimal places.)
variance
standard deviation
How would you interpret these values? (Round your standard deviation to four decimal places.)
The mean squared deviation from the mean number of systems sold in one month is
sold in one month is
A typical deviation from the mean number of systems
(c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value?
(d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean?
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
![Calculus For The Life Sciences](https://www.bartleby.com/isbn_cover_images/9780321964038/9780321964038_smallCoverImage.gif)
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
![Calculus For The Life Sciences](https://www.bartleby.com/isbn_cover_images/9780321964038/9780321964038_smallCoverImage.gif)
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,