(c) what is the probability that at least one adult prefers milk chocolate to dark chocolate?

Part A:

Given that 47% of adults prefer milk chocolate to dark chocolate, for a random sample of n = 4 adults, the probability that all four adults say that they prefer milk chocolate to dark chocolate is given by



Part B:

The probability that exactly two of the four adults say they prefer milk chocolate to dark chocolate is given by



Part C:

The probability that at least one adult prefers milk chocolate to dark chocolate is given by