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A set of data on electricity bills for last month showed a mean of $310.50 and a standard deviation of $30.60. Estimate the percentage of
A set of data on electricity bills for last month showed a mean of $310.50 and a standard deviation of $30.60. Estimate the percentage of bills with amounts between $263.07 and $357.93.
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Engineering Mechanics Statics & Dynamics
Authors: Russell C. Hibbeler
15th Edition
9780134895154
