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GATE 2020 : Engg. Mathematics Quiz 6
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Question 1
If the proportion of handicapped people in a large population is 0.006, then what is the probability that there will be atmost one handicapped person in a randomly chosen group of 500 people. Use poisson approximation to compute the probability.
Question 2
Match the following Lists.
List-I
A-
B-
C-
D-
List-II
1- Discrete distribution
2- Continuous distribution
List-I
A-
B-
C-
D-
List-II
1- Discrete distribution
2- Continuous distribution
Question 3
Let X be a random variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean –1 and variance unknown. If P(X ≤ -1) = P(Y ≥ 2), the standard deviation of Y is
Question 4
Let X be the random variable. Consider the following table with the probability distribution values of X.
Find the value of P(X<4).Round upto two decimal places).
Find the value of P(X<4).Round upto two decimal places).
Question 5
Let X be a random variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean -1 and variance unknown. If P(X≤ -1) = P(Y ≥ 2), the standard deviation of Y is
Question 6
Suppose Xi for i=1,2,3 are independent and identically distributed random variables whose probability mass functions are Pr[Xi=0]= Pr[Xi = 1]=1/2 for i=1,2,3. Define another random variable Y =X1X2⊕X3, where ⊕ denotes XOR. Then Pr[Y=0|X3=0] = _____________.
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