Tag: probability

  Chang is in charge of planning a reception for  2200 people. He is trying to decide which snacks to buy. He has asked a random sample of people who are coming to the reception what their favorite snack is. Read More …

A bag contains  9 marbles: 2 are green, 3 are red, and 4 are blue. Laura chooses a marble at random, and without putting it back, chooses another one at random. What is the probabilitythat the first marble is red and Read More …