A bag contains 10 blue objects and 10 red objects. There are 5 blue circles, 5 red circles, 5 blue squares and 5 red squares. If two objects are drawn from the bag without replacement, what is the probability of getting both a red and blue object?
A)
1
10
B)
1
4
5
19
D)
9
38

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