The number of cellular phones sold per day at the E-Cell Retail Store with the corresponding probabilities is shown in the table below. Compute the mean, variance, and standard deviation and interpret the result. Number of cellphones sold per day in a retail store (x) 18 19 20 22 15 Probability (P(x) 0.15 0.30 0.20 0.20 0.15 Solution: Complete the statement:

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Chapter1: Starting With Matlab
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that you will gather the number of people
Write your answer on a separate sheet of paper.
The number of cellular phones sold per day at the E-Cell Retail Store with the
variance, and standard deviation and interpret the result.
Number of cellphones sold
corresponding probabilities is shown in the table below. Compute the mean,
Elasketball is a famous ganie
Ther
the
Inde
Beth
statistical tests.
What's More
Practice Activity 1
CoPlimber of cellular phones sold per day at the E-Cell Retail Store with
per day in a retail store (x)
15
18
19
20
22
Probability (P(x)
0.30
0.20
0.20
0.15
0.15
Solution:
Complete the statement:
=> [x - P(x)] = 15(0,30) + 18(0.20) + 19(0.20) + 20(0.15) + 22(0.15) =
%3D
%3D
98
Transcribed Image Text:that you will gather the number of people Write your answer on a separate sheet of paper. The number of cellular phones sold per day at the E-Cell Retail Store with the variance, and standard deviation and interpret the result. Number of cellphones sold corresponding probabilities is shown in the table below. Compute the mean, Elasketball is a famous ganie Ther the Inde Beth statistical tests. What's More Practice Activity 1 CoPlimber of cellular phones sold per day at the E-Cell Retail Store with per day in a retail store (x) 15 18 19 20 22 Probability (P(x) 0.30 0.20 0.20 0.15 0.15 Solution: Complete the statement: => [x - P(x)] = 15(0,30) + 18(0.20) + 19(0.20) + 20(0.15) + 22(0.15) = %3D %3D 98
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