Question 915389
 <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi
	W	TV	R	TOT
NS	21	9	5	35
N	18	25	37	80
S	36	43	59	138
V	28	31	48	107
TOT	103	108	149	360
A. P(NS) = 35/360
B.
C. P(NS and W) = 21/360
D. P(R|NS) = {{{(5/360)/(35/360)}}} = 5/35
E. P(NS|R) = {{{(5/360)/(149/360)}}} = 5/149
F. P(V OR TV) = 107/360 + 108/360