(Solved): A diagnostic test for the presence of a virus has a 0.005 probability of producing a false positive ...

A diagnostic test for the presence of a virus has a 0.005 probability of producing a false positive (test indicates virus is present, when, in fact, it is not). Fest results for different individuals are independent. If the 140 employees of a medical clinic are tested and all 140 are known to be free of the virus, what is the probability that at least one false positive will occur? 0.0000 0.3487 0.4957 0.5043 0.7000