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Calculate the mean and standard deviation for the weights of male giant pandas in this area.
Mathematics 9709 · AS & A Level · Sampling and estimation
Sampling and estimation — practice question
It is given that $20\%$ of male giant pandas in a certain area have masses above $121\text{ kg}$ and $71.9\%$ have masses above $102\text{ kg}$. The weights of male giant pandas in this area are normally distributed.