9. terrance and hector are part of a group going to a basketball game. the group has 3 courtside seats, 5 upper level seats, and 2 seats in the mezzanine. find the probability that both events a and b will
occur if the group randomly chooses their seats. express your answer as a decimal, rounded to the nearest thousandth.

event a: terrance will sit courtside at the basketball game.

event b: hector will sit courtside at the basketball game.