Solve ! its due pl thx -a test has thirty questions worth 100 points. the test consists of true/false questions worth 3 points each and multiple choice questions worth 8 points each. how many multiple choice questions are on the test?

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244