Question: Need help in the following select the correct answer The number of typing mistakes made by a secretary has a Poisson distribution. The mistakes are

Need help in the following select the correct answer

The number of typing mistakes made by a secretary has a Poisson distribution. The mistakes are made independently at an average rate of 2 per page. The probability that a four-page letter contains zero mistakes is: O a. 0.1221 O b. 0.9997 O c. 0.0003 O d. 0.0071

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