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The required cooling time in a production process varies according to the following distribution. Minutes | Relative Frequency --------------------------- 3 | 0.14 4 | 0.30

The required cooling time in a production process varies according to the following distribution. Minutes | Relative Frequency --------------------------- 3 | 0.14 4 | 0.30 5 | 0.27 6 | 0.18 7 | 0.11 Compute the mean cooling time, in minutes. 4.82 5.08 5.0 4.92

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