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Mathematics, 22.02.2021 17:00 evazquez

The mean weight of fish in a fishery lake is 720g and the standard deviation is 100g. Rhian catches a fish weighing 620g.
Calculate a standardised weight of Rhian's fish ​

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The mean weight of fish in a fishery lake is 720g and the standard deviation is 100g. Rhian catches...
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