Answer:
.28 = P( not winning)
Explanation:
The probability of winning is .72
The 2 possibilitites are winning and not winning. They must total 1
1 = P(winning) +P( not winning)
1 = .72 + P( not winning)
Subtract .72 from each side
1-.72 = P( not winning)
.28 = P( not winning)