1. WSU, The College students can either learn at campus or online. The table below shows the probability distribution of the number of days per week WSU, The College students learn oncampus.

x	P(x)	xP(x)	(x-m)2	(x-m)2 P(x)
1	0.04
2	0.33
3	0.45
4	0.12
5	0.06