Answer these questions: * If the probability of passing an
examination is 0.8, what is the
probability of failing the examination
b If the probability that a girl wins a race is 0.6, what is the probability that she loses?
c if the probability that a pen does not write is 0.05, what is the probability that it writes

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?