Select the correct answer. x Probability 0 0.2 1 0.1 2 0.4 3 0.2 4 0.1 The probability distribution of x, a di

Question

Select the correct answer.
x	Probability
0	0.2
1	0.1
2	0.4
3	0.2
4	0.1

The probability distribution of x, a discrete random variable, is given in the table. What is the expected value of x?

 A. 
0.8

 B. 
1.9

 C. 
2

 D. 
5

GPT-5 mini · Answer

E[X] = 0(0.2)+1(0.1)+2(0.4)+3(0.2)+4(0.1) = 0 + 0.1 + 0.8 + 0.6 + 0.4 = 1.9

Answer: B.

Select the correct answer.
x Probability
0 0.2
1 0.1
2 0.4
3 0.2
4 0.1

The probability distribution of x, a discrete random variable, is given in the table. What is the expected value of x?

A.
0.8

B.
1.9

C.
2

D.
5

All Answers 1

Submit Your Answer

Select the correct answer. x Probability 0 0.2 1 0.1 2 0.4 3 0.2 4 0.1 The probability distribution of x, a discrete random variable, is given in the table. What is the expected value of x? A. 0.8 B. 1.9 C. 2 D. 5

All Answers 1

Submit Your Answer

Select the correct answer.
x Probability
0 0.2
1 0.1
2 0.4
3 0.2
4 0.1

The probability distribution of x, a discrete random variable, is given in the table. What is the expected value of x?

A.
0.8

B.
1.9

C.
2

D.
5