aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • Mechanical Engg. (GATE) 2006
  • Consider a continuous random variable with probability de...
Multiple choice

Consider a continuous random variable with probability density function as follows. f (t) = 1 + t for - 1 $\leq$ t $\leq$ 0 = 1 - t for 0 $\leq$ t $\leq$ 1 The standard deviation of the random variable is

  1. $\frac{1}{\sqrt{3}}$
  2. $\frac{1}{\sqrt{5}}$
  3. $\frac{1}{3}$
  4. $\frac{1}{6}$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Keep practicing — related questions

  • The standard deviation of a uniformly distributed random variable between 0 and 1 is
  • In the following table, x is a discrete random variable and p(x) is the probability density. The standard d...
  • Let $X$ be a random variable following normal distribution with mean $+1$ and variance $4$. Let $Y$ be anot...
  • Consider a random variable X that takes values + 1 and -1 with probability 0.5 each. The values of the cumu...
  • Consider the following code: int x, y, z; y = 1; z = 5; x = 0 - (++y) + z++; After execution of this, what ...
  • What does this function do:
  • Which of the following functions are used by PHP to find out what type a variable is?
  • RESULT = 0 PERFORM VARYING C FROM 1 BY 1 UNTIL C = 6 COMPUTE RESULT = RESULT + 1 END-PERFORM What is the co...
Play the full quiz 🎤 Practise this topic out loud

Practice this topic

  • Statistics and Dispersion (559 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy