Determine the Required Probability by Using the Poisson Approximation to the Binomial

question 161

Multiple Choice

Determine the required probability by using the Poisson approximation to the binomial distribution. Round to threedecimal places.
-The probability that a call received by a certain switchboard will be a wrong number is 0.01. Use the Poisson approximation to the binomial distribution to find the probability that among 120 calls
Received by the switchboard, there are at least two wrong numbers.

• A)0.337
• B)0.217
• C)0.121
• D)0.663

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