Martha tests positive for hepatitis c. if you have hepatitis c the test will indicate that you have the disease 80% of the time. 15% of the time the test will indicate that you
have hepatitis c when you do not actually have it. in the general population hepatitis
c has a prevalence of 1.6%. in this scenario, what is the base rate?

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