A bag contains 10 red, 5 yellow and 6 blue marbles. What is the probability of pulling out 1 blue marble then 1 red marble without replacing the first blue marble?

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?

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.

Aset of 4 consecutive integers adds up to 354. what is the value of the least integer?