Question: Critical key-entry errors in the data processing operation of a large district bank occur approximately .1% of the time. If a random sample of 10,000

Critical key-entry errors in the data processing operation of a large district bank occur approximately .1% of the time. If a random sample of 10,000 entries is examined, determine the following:
a. The expected number of errors
b. The probability of observing fewer than four errors
c. The probability of observing more than two errors

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