Assume that the probability that a bit in a data unit is corrupted during transmission is p. Find the probability that x number of bits are corrupted in an n-bit data unit for each of the following cases.
a. n = 8, x = 1, p = 0.2
b. n = 16, x = 3, p = 0.3
c. n = 32, x = 10, p = 0.4