In: Statistics and Probability
Please answer all questions with clear handwriting.
(1) A glass jar contains 2 red, 3 green, 2 blue, and 4 yellow marbles. If a single marble is chosen at random from the jar, what is the probability that it is yellow or green?
(2) After watching a theatric show, a group of 3 people go to the reception to get their hats back. If they get the hats back in random order. What is the chance that at least one gets the correct hat?
(3)What is the probability of this event for a group of 4 people?