A survey found that 62% of callers in the United States complain about the service they receive from a call center if they suspect that the agent who handled the call is foreign. 11 Given this...

A survey found that 62% of callers in the United States complain about the service they receive from a call center if they suspect that the agent who handled the call is foreign.¹¹
Given this context, what is the probability that (state your assumptions)

(a) the next three consecutive callers complain about the service provided by a foreign agent?

(b) the next two calls produce a complaint, but not the third?

(c) two out of the next three calls produce a complaint?

(d) none of the next 10 calls produces a complaint?