A bag contains 5 red marbles, 3 blue marbles, and 4 yellow marbles. A students removes 1 marble without looking, records the colour, then returns the marble to the bag. The process is repeated. What is the probability of each outcome?

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it. bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

There are 4 cups in a quart and 4 quarts in a ganon. jug of water? . how many cups are in a 5-gallon jug of water?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%