JEE-MAIN SERIES Mathematics
Random Variables
4 previous year questions.
Volume: 4 Ques
Yield: Medium
High-Yield Trend
4
2022 Chapter Questions 4 MCQs
01
PYQ 2022
medium
mathematics ID: jee-main
Let . If , then the least value of is
1
30
2
32
3
36
4
40
02
PYQ 2022
hard
mathematics ID: jee-main
Let = and = . Then a value of is
1
2
3
4
03
PYQ 2022
medium
mathematics ID: jee-main
A random variable has the following probability distribution :
| x | 0 | 1 | 2 | 3 | 4 |
| P(x) | k | 2k | 4k | 6k | 8k |
The value of is equal to
1
2
3
4
04
PYQ 2022
medium
mathematics ID: jee-main
Let be a random variable having binomial distribution . If , then the sum of the mean and the variance of is:
1
2
3
4