Question

Following is the probability distribution of a discrete random variable. X. Obtain the distribution function and expected value of X.
X :
0
1
2
3
4
P[X=x]:
0.15
0.20
0.25
0.30
0.10
What is non-random sampling? Discuss any two types of non-random sampling

Answer 1

the answer is that the banks of the following week and a bit