The mathematical exception of x + y is equal to ________________?

Related Mcqs:

1. For discrete random ‘X’, the expectation of X i.e., E(x) is equal to:________________?

   A. ∑P(x)
   B. ∑x.P(x)
   C. ∑x²P(x)
   D. One

2. 5C5 is equal to ________________?

   A. 5
   B. 5×5
   C. 1
   D. None of these

3. If mean and variance are not equal then distribution ________________?

   A. None
   B. Symmetrical
   C. Skewed
   D. Equal

4. If a & b are constants, then Var (a + bX) equal to_________________?

   A. Var(bX) + a
   B. b2 Var(X)
   C. b Var(x)
   D. None of these

5. Two digit random numbers are ________________?

   A. 2
   B. 10
   C. 99
   D. 100

6. The basic random numbers are ________________?

   A. 0 and 1
   B. 0,1,2,…………9
   C. 1,2,3….10
   D. None of these

7. The time taken by an athlete to run a 400 mile race in SAF games ________________?

   A. Continuous data
   B. Random
   C. Discrete data
   D. Non of these

8. Addition Law of probability for mutually exclusive event is equal _______________?

   A. P(AUB)=P(A) + (B)
   B. P(AUB) = P(A) + P(B) – P(A∩B)
   C. P(A∩B) = P(A) + P(B) + P(A∩B)
   D. P(A∩B) = P(A). P(B

9. The mean and the variance are equal in________________?

   A. All probability distribution
   B. The hypergeometric distribution
   C. The binomial distribution
   D. The Poisson distribution

10. The A.M. is greater than mode is equal to ______________?

    A. +vely
    B. Skewness
    C. Negatively
    D. zero