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GATE CS 2021 : Engineering mathematics Quiz-7 (App update required to attempt this test)
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Question 1
Given a PDF, f(x)= x/12, 1≤ x≤ 5 .
What is the variance of the given function_______________ (Round upto 2 decimal places).
Question 2
Consider the table given below
Then the arithmetic mean of the marks given below would be,
![](https://gradeup-question-images.grdp.co/liveData/PROJ22917/1540876963555251.png)
Then the arithmetic mean of the marks given below would be,
Question 3
Find the standard deviation of 2,4,6 and 8. (Round upto two decimal places)
Question 4
Consider the following table:
Assume X is a random variable. what is the mean value?
![](https://gradeup-question-images.grdp.co/liveData/PROJ8860/1508321139111356.jpg)
Assume X is a random variable. what is the mean value?
Question 5
Let X be a random variable that is uniformly distributed on [–1, +1]. If
Find the variance of Y. (Round the answer upto two decimal places)
![](https://gradeup-question-images.grdp.co/liveData/PROJ11746/1515406748345824.png)
Question 6
E[X] = 1 and Var [X] = 2, which one of the following is not correct.
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Nov 7GATE & PSU CS