A continuous random variable has the probability density function for x between and , and elsewhere. Its mean, variance and median are:
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2 marksStatisticsRandom variables and standard distributionsUniform distributionsModerateabout 3 min
DSE 2007 Question 54: Random variables and standard distributions
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A continuous random variable has the probability density function f(x)=1/3 for x between -1 and +2, and 0 elsewhere. Its mean, variance and median are: (A) (1, 3/4, 1/2) (B) (1/2, 3/4, 1/2) (C) (1/2, 1, 1) (D) (1/2, 1, 1/2)
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What this question tests
This question is on Uniform distributions, part of Random variables and standard distributions in Statistics.
Equally likely outcomes over a finite set or an interval.
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