Answer:
11.
a. Blank A = 97 - 54 = 43
or = 122 - 79 = 43
b. Blank B = 100 - 54 = 46
or = 125 - 79 = 46
c. Blank C = 100 + 122 = 222
or = 97 + 125 = 222
12.
a. Prob. of Apple female preference = no of Apple female ÷ Total no for Apple preference
= 194 ÷ 346 = 0.561
b. Prob. of Male Apple preference = no for Male for Apple ÷ No of Male
= 152 ÷ 320 = 0.475
c. Relative frequency of female of Microsoft preference = Female of Microsoft preference ÷ Total female
= 126 ÷ 320 = 0.394
