#piosson ditribution., Basic Statistics

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Ask Suppose that the expected number of phone calls that are handel 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. Tasks 10-12 refer to this information.

Question 10

The number of phone calls that the switchboard is expected to handle in 1 minute is

Question 11

The 0.80-percentile of the number of calls per minute is (approximately) equal to: (Use the Normal approximation. The answer may be rounded up to 3 decimal places of the actual value.)

Question 12

The probability that the switchboard will need to handel no more than 300 call in a minute is: (Use the Normal approximation, without a continuity correction. The answer may be rounded up to 3 decimal places of the actual value.)

question #Minimum 100 words accepted#

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