What is the Expected Value for the following numbers?

x	P(X)
0	0.03
1	0.19
2	0.11
3	0.02
4	0.02
5	0.05
6	0.11
7	0.21
8	0.26

What is the Variance for the followingdiscrete probability distribution?

x	P(X)
0	0.76
1	0.09
2	0.03
3	0.03
4	0.09

Calculatethe median salary in dollars per hour using this data.

15,53,59,77,21,14

What is the Central Limit Probability where x is less than 189.73 for a population mean of 180, and standard deviation of 61.2 where the sample size is 56?

What is the Discrete Standard Deviation for the following numbers?

x	P(X)
0	0.29
1	0.71