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  • 23-05-2023
  • Mathematics
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x moi oul & goods plota Tsonot For problems 29, 30, and 31, assume a normal distribution.ollot 29. Suppose a telephone help line takes a mean of 5 minutes to answer calls. If the standard deviation is o = 2, what percentage of the calls are answered in the range of 3 to 7 minutes? (1)

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