2. When conducting on colour blindness with eight individuals , random variable x is the number of individuals in the group who have from color blindness . Accompany table provides probability distribution of

X	P(X=x)
0	0.001
1	0.002
2	0.004
3	0.005
4	0.006
5	0.0011
6	0.0013
7	0.0014
8	0.0023

A.Find the proportion of getting 5 or more individuals with colour blindness.

B. Is 7 an unusually high number of individuals with color blindness ( why/ why not)

c. Find average ( mean) of individuals with same form of sd.