The Probability That a Call Received by a Certain Switchboard

Question 184
Multiple Choice

The probability that a call received by a certain switchboard will be a wrong number is 0.02.Use the Poisson approximation to the binomial distribution to find the probability that among 140 calls received by the switchboard,there are at least two wrong numbers. A)0.5305 B)0.7616 C)0.7689 D)0.2384 E)0.2311