If P(A/B)=1/4 and P(A∩B) =1/5 then P(B) is ________________?

Related Mcqs:

1. If P(A∩B) =1/4 then P(AUB) is ________________?

   A. 1/2
   B. 1/3
   C. 1/12
   D. 3/8

2. If the occurrence of excludes the occurrence of the other is called ________________?

   A. Mutually exclusive
   B. Exchaustive
   C. Likely
   D. Probability

3. 5C5 is equal to ________________?

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

4. 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

5. The variance of binomial distribution is always:________________?

   A. Less than mean
   B. Equal to mean
   C. Greater than mean
   D. Equal to standard deviation
   E. None of these

6. In a binomial distribution mean and variance is ________________?

   A. Variance > mean
   B. Mean < variance
   C. Variance ≠ mean
   D. None of these

7. In Chain base method, the base period is ________________?

   A. Fixed
   B. Constant
   C. Change
   D. None of these

8. Mean deviation is always ________________?

   A. Equal to S.D.
   B. More than S.D.
   C. Less than S.D.
   D. Negative

9. which is poor measure of dispersion in open-end distribution ________________?

   A. Quartile- deviation
   B. Semi-inter quartile range
   C. Range
   D. None of these

10. When in a frequency distribution the maximum frequency occur at one end, then the frequency curve of such distribution is ________________?

    A. J- shaped
    B. U- shaped
    C. Bell- shaped
    D. V- shaped