This question confuses me. Kindly help explain with details please. I want to understand how the answer is derived. If possible, let

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 14E
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This question confuses me. Kindly help explain with details please. I want to understand how the answer is derived. If possible, let me know the topic related to the question so I can research on it in details also. Thank you!

6) Given the graph below on the interval 0≤x≤3:
18+
16+
14+
12+
1-
ast
06+
0.4+
02+
-0.2+
-0.4+
S
18
06
08
b) Find the mean of this model.
f(x)=(x^2)/9
c) What is the variance of the model?
16
1.8
a) Does the graph represent a legitimate probability model? Explain your answer.
B
a
3.8
Transcribed Image Text:6) Given the graph below on the interval 0≤x≤3: 18+ 16+ 14+ 12+ 1- ast 06+ 0.4+ 02+ -0.2+ -0.4+ S 18 06 08 b) Find the mean of this model. f(x)=(x^2)/9 c) What is the variance of the model? 16 1.8 a) Does the graph represent a legitimate probability model? Explain your answer. B a 3.8
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