Answer
a. S= { HHH,HHT,HTT,HTH,THH,TTH,THT,TTT}
b.
i) {HTT,THT,TTH} $\frac{3}{8}$ *100% = 37.5%
ii) {HHT,THH,HTH,HHH} $\frac{4}{8}$ *100% = 50%
iii) {TTT} $\frac{1}{8}$ *100% = 12.5%
Work Step by Step
a. S= { HHH,HHT,HTT,HTH,THH,TTH,THT,TTT}
b.
i) {HTT,THT,TTH} $\frac{3}{8}$ *100% = 37.5%
ii) {HHT,THH,HTH,HHH} $\frac{4}{8}$ *100% = 50%
iii) {TTT} $\frac{1}{8}$ *100% = 12.5%