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Mathematics, 20.08.2021 01:40 genyjoannerubiera
Normal Approximation of the Sampling Distribution of a Sum
Suppose that the expected number of phone calls that are handled by a switchboard in each second is 5.35. Assume that the distribution of the number of phone calls per second follows the Poisson distribution.
a. The number of phone calls that the switchboard is expected to handle in 1 minute is:___.
b. The 0.80-percentile of the number of calls per minute is (approximately) equal to: .
c. The probability that the switchboard will need to handle no more than 300 call in a minute is:.
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Normal Approximation of the Sampling Distribution of a Sum
Suppose that the expected number of pho...
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