Answer
a.
i. P(has never shopped on the Internet and is a male) =$ \frac{700}{2000}$ = 0.35
ii. P(has shopped on the Internet and is a female) = $\frac{300}{2000}$ = 0.15
b.
P(has shopped on the Internet and is a male) = $\frac{500}{2000}$ = 0.25
P(has never shopped on the Internet and is a female) = $\frac{500}{2000}$ = 0.25
Work Step by Step
See above