The probability of getting at least 5 calls between eight and nine in the morning is 0.8009.
The probability of getting at least 5 calls between eight and nine in the morning will be:
= 1 - [P(x = 0) + P(x = 1)]
= 1 - (e^-3(1 + 3]
= 1 - 0.19915
= 0.8009
Therefore, the probability of getting at least 5 calls between eight and nine in the morning is 0.8009.
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