1 of 31

6.3 – Expected value of discrete random variable

www.doteducation.org +971569242777/ +971568161777/ +971525465652

1

E(X) is the expected value of the random variable X

  • Mean

E(X)=∑xP(X=x)

2 of 31

2

3 of 31

3

4 of 31

4

5 of 31

5

How do I calculate E(X2) for a discrete random variable?

6 of 31

6

7 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

7

8 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

8

9 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

9

10 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

10

11 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

11

12 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

12

13 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

13

14 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

14

15 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

15

16 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

16

17 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

17

18 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

18

19 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

19

20 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

20

21 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

21

22 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

22

23 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

23

24 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

24

25 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

25

26 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

26

27 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

27

28 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

28

29 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

29

30 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

30

31 of 31

www.doteducation.org +971569242777/ +971568161777/ +971525465652

31