• The change in weather has changed the frequency that students go to the fitness centre. We can define X as the number of days during the week that students go to the fitness centre. Here is the probability distribution.

Number of Days (X)	Probabilities	Xi - X	(Xi - X)2
0	0.20	-1.4	1.96
1	0.35	-0.4	0.16
2	0.25	0.6	0.36
3	0.10	1.6	2.56
4	0.05	2.6	6.76
5	0.05	3.6	12.96

What would be the variance of X?