Suppose that for a given computer salesperson, the probability distribution of x = the number of systems sold in one week is given by the following table. X p(x) 1 2 0.06 0.10 3 4 5 6 7 (a) Find the mean value of x (the mean number of systems sold). 4.11 8 0.11 0.30 0.29 0.12 0.01 0.01 (b) Find the variance and standard deviation of x. (Round your standard deviation to four decimal places.) variance 2.07 X X standard deviation 1.4396 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 week is 4.11 X. A typical deviation from the mean number of systems sold in one week is 1.4396 (c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value? 0.70 (d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean? 0.20 X x.
Suppose that for a given computer salesperson, the probability distribution of x = the number of systems sold in one week is given by the following table. X p(x) 1 2 0.06 0.10 3 4 5 6 7 (a) Find the mean value of x (the mean number of systems sold). 4.11 8 0.11 0.30 0.29 0.12 0.01 0.01 (b) Find the variance and standard deviation of x. (Round your standard deviation to four decimal places.) variance 2.07 X X standard deviation 1.4396 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 week is 4.11 X. A typical deviation from the mean number of systems sold in one week is 1.4396 (c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value? 0.70 (d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean? 0.20 X x.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
not a graded question - practice questions
![Suppose that for a given computer salesperson, the probability distribution of
X = the number of systems sold in one week
is given by the following table.
X
p(x)
(c)
1
2
3
0.06 0.10 0.11
4
5
6
(a) Find the mean value of x (the mean number of systems sold).
4.11
7
0.30 0.29 0.12 0.01
8
0.01
(b) Find the variance and standard deviation of x. (Round your standard deviation to four decimal places.)
variance
2.07
standard deviation
1.4396
X
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 week is 4.11
X . A typical deviation from the mean number of systems sold in one week is 1.4396
What is the probability that the number of systems sold is within 1 standard deviation of its mean value?
0.70
(d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean?
0.20
X
X](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8cec7a7b-ae30-488f-8666-86a9bd17ca6d%2Fb35d89a0-1e25-46bb-8635-becc9cb7bd63%2Fwo1wp_processed.png&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 one week
is given by the following table.
X
p(x)
(c)
1
2
3
0.06 0.10 0.11
4
5
6
(a) Find the mean value of x (the mean number of systems sold).
4.11
7
0.30 0.29 0.12 0.01
8
0.01
(b) Find the variance and standard deviation of x. (Round your standard deviation to four decimal places.)
variance
2.07
standard deviation
1.4396
X
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 week is 4.11
X . A typical deviation from the mean number of systems sold in one week is 1.4396
What is the probability that the number of systems sold is within 1 standard deviation of its mean value?
0.70
(d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean?
0.20
X
X
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