7) A sales firm receives an average of four calls per hour on its toll-free number....

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7) A sales firm receives an average of four calls per hour on its toll-free number. For any ) given hour, find the probability that it will receive exactly nine calls from 200 PM-4:00 PM.

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Answer 1

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Thusmeam owg call un two hoo ix2 -9 4x238 P ( turn will suuuu nocll성 nine calls from 2 :00 PH- 4 00 PM (ie 2hous)) en dubulin a 1 0.12 poisson diatribution is used

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7) A sales firm receives an average of four calls per hour on its toll-free number....

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A sales firm receives, on average, three calls per hour on its toll-free number

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