Suppose we want to determine the (binomial) probability (p) of getting 4 heads in 15 flips of a 2-sided coin. Using the Binomial Probabilities Table in Appendix B of the text, what values of n, x and p would we use to look up this probability, and what would be the probability?

n = 15

x = 4
p = .5

To determine the binomial probability of getting 4 heads in 15 flips of a 2-sided coin, we need to refer to the Binomial Probabilities Table in Appendix B of the text. The table provides probabilities for specific values of n (number of trials), x (number of successful outcomes), and p (probability of success).

In this case, n is the number of flips, which is 15.
x is the number of successful outcomes, which is 4 (getting 4 heads).
p is the probability of success, which is not explicitly specified in your question. If the coin is fair and unbiased, the probability of getting a head (success) is 0.5. However, if the coin is biased, you would need to know the specific probability of getting a head to use in the table.

To find the probability, locate the row in the table where n = 15. Look for the column where x = 4. Once you find the appropriate row and column intersection, the value in that cell represents the binomial probability for those parameters.