Question

Three boys and four girls enter a contest at the local movie theater. A randomly chosen winner will be awarded a free movie ticket, a collectiable poster, or free popcorn. What is the probability that a girl will win free popcorn?

Answer 1

$total students = boys + girls \\ \\ t.s = 3 + 4 \\ \\ t.s = 7 \\ p(e) = no \:offavrable \:outcome \\ total \: no \: of \: outcome \\ 4 \\ 7$