Question 28 Consider a bag containing 73 purple marbles, 91 green marbles, and 36 yellow marbles.  If a marble is randomly selected from the bag, what is the probability that the marble is a green marble or a yellow marble? Writer your answer as: a simplified fraction  a decimal

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. What is the probability you will roll a purple on your next toss of the die? Express your answer as a simplified fraction or a decimal rounded to four decimal places.   purple pink blue red       35      31      22    39

A group of people were asked if they had run a red light in the last year. 312 responded "yes", and 163 responded "no". If a person is chosen at random, find the probability that she or he had run a red light in the last year. Give your answer as a fraction or decimal, rounded to 4 decimal places.

A group of people were asked if statistics teachers know the true meaning of life. 255 responded "yes", and 497 responded "no". Find the probability that if a person is chosen at random, he believes statistics teachers know the true meaning of life. Probability (Please enter a reduced fraction.) %D