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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,

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?

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)

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