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Class 12 Maths Practice Test - Random Variables and its Probability Distributions
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Class 12 Maths Practice Test - Random Variables and its Probability Distributions
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10 Questions

1. A month has atmost 31days, X = Number of days in a month, is X a discrete random variable?
2. Find which of the following is a Continuous random variable?
3. Find the value of P(X=3) if X is the discrete random variable taking values x1, x2, x3 where P(X=0)=0, P(X=1) = 1/4 and P(X=2) = 1/4
4. A dice is thrown, what is the probability of getting multiples of 3?
5. A dice is thrown, what is the probability of getting an odd number?
6. A dice is thrown, what is the probability of getting multiples of 2?
7. Determine the value c so that the following function can serve as a probability distribution of the discrete random variable x:
f(x)=c(x+4), for x=0,1,2,3
8. What is the probability of picking an ace from a pack of cards?
9. What is the probability of picking a card of the club from a pack of cards?
10. A dice is thrown, what is the probability of getting an even number?

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