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It is estimated that 0 . 5 6 % of the callers to the Customer Service department of Dell Incorporated will receive a busy signal.

It is estimated that

0.56 %

of the callers to the Customer Service department of Dell Incorporated will receive a busy signal.

What is the probability that of today's

1, 400

callers at least

5

received a busy signal?

Note: Round your answer to

4

decimal places.

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