After constructing a table that is similar to Table 6.2 and shows all possible outcomes of tossing four coins at once, find the following.

a. Find the probability that all four tosses are the same (all heads or all tails).

b. Find the probability that the four tosses are not all the same.

c. What is the probability of getting two heads and two tails when you toss four coins at once?

Probability Distributions. In Exercises, the constructor analyzes a probability distribution.