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a sales firm an average of four calls per hour on its toll free number. for any given hour, find the probability that it will receive exactly three calls. use the poission distribution
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Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2
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a sales firm an average of four calls per hour on its toll free number. for any given hour, find the...
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