1
GATE ECE 2022
Numerical
+1
-0

The bar graph shown the frequency of the number of wickets taken in a match by a bowler in her career. For example, in 17 of her matches, the bowler has taken 5 wickets each. The median number of wickets taken by the bowler in a match is ____________ (rounded off to one decimal place).

GATE ECE 2022 Engineering Mathematics - Probability and Statistics Question 7 English

Your input ____
2
GATE ECE 2021
MCQ (Single Correct Answer)
+1
-0.33
Two continuous random variables X and Y are related as Y = 2X + 3. Let $$\sigma _x^2$$ and $$\sigma _y^2$$ denote the variances of X and Y, respectively. The variances are related as
A
$$\sigma _Y^2$$ = 25$$\sigma _X^2$$
B
$$\sigma _Y^2$$ = 4$$\sigma _X^2$$
C
$$\sigma _Y^2$$ = 2$$\sigma _X^2$$
D
$$\sigma _Y^2$$ = 5$$\sigma _X^2$$
3
GATE ECE 2020
Numerical
+1
-0

The two sides of a fair coin are labelled as 0 and 1 . The coin is tossed two times independently. Let $M$ and $N$ denote the labels corresponding to the outcomes of those tosses. For a random variable $X$, defined as $X=\min (M, N)$, the expected value $E[X]$ (rounded off to two decimal places) is $\_\_\_\_$ .

Your input ____
4
GATE ECE 2018
Numerical
+1
-0
Let X1 , X2 , X3 and X4 be independent normal random variables with zero mean and unit variance. The probability that X4 is the smallest among the four is _______.
Your input ____

GATE ECE Subjects

Browse all chapters by subject