Q87 of 108 Page 271

The probability distribution of a discrete random variable X is given below:



The value of k is

Given, Probability distribution table is given,

Now,


We know




K=32


Hence, The value of k is 32

More from this chapter

All 108 →
85

The probability of guessing correctly at least 8 out of 10 answers on a true-false type examination is

 86

The probability that a person is not a swimmer is 0.3. The probability that out of 5 persons 4 are swimmers is

 88

For the following probability distribution:


E(X) is equal to :

 89

For the following probability distribution


E(X2) is equal to