1.A box contains 14 marbles, 5 red, 6 green and 3 blue. 6 marbles are drawn. Find the probability that 2 are red and 4 are not red if the balls ARE REPLACED after each draw. Round your answer to 3 decimal places.

2.Approximately 70% of the students at TAS take the bus to school. Use the normal approximation to find the probability that at least 200 of a random sample of 300 students take the bus to school. Write your answer as a percent rounded to two decimal places.

3.The Choco-Latie Candies company makes candy-coated chocolates, 40% of which are red. The production line mixes the candies randomly and packages ten per box. a) Calculate the probability that exactly 5 of the candies in a box are red. Give your answer to 4 decimal places.

4.The Choco-Latie Candies company makes candy-coated chocolates, 40% of which are red. The production line mixes the candies randomly and packages ten per box.

Calculate the probability that at least 3 of the candies in a box are red.