We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
However, I will start for you.
a) 15/total cubes = ?
b) (total cubes-15)/total cubes = ?
Either-or probabilities are found by adding the individual probabilities.
a hat contains a number od cubes: 15 red, 10 white, 5 blue and 20 black,20 years gone and i am back again. one cube at random. what is the probability that it is:
a) a red cube?
b) not a red cube?
c) a cube that is white or black?
d) a cube that is neither white nor black?
e) what do you answers to part a and b add up to and why?
2 answers
a. 30% or 0.3
b. 70% or 0.7
b. 70% or 0.7
2 answers