Question

The mean billing error encountered in a bank per day is 2.0. What is the probability of getting no billing error?

Answer 1

Given:

Probability of billing error = 2 per day

Find:

Probability of getting no billing error per day = ?

Computation of probability of getting no billing error:

Probability of an event occur + Probability of an event not occur = 100%

Probability of billing error + Probability of getting no billing error per day = 100

2 + Probability of getting no billing error per day = 100

Probability of getting no billing error per day = 100 - 2

Probability of getting no billing error per day = 98 per day

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