1. A cube has all 6 sides painted blue; this cube is then cut into 64 equal cubes. What is the probability, Pn where n = 1, 2, 3, that a little cube (one of the 64) picked at random will have n painted faces?
2. A person is given 4 coins each with equal and independent probabilities of being a nickel , a penny, a dime or a quarter. What is the probability the person has been 37 cents
Please give a complete answer with explanations.
Probability problems are solved. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.