b$)$ Use the $68$dash$95$dash$99\mathrm{.}7$ Rule to describe how this proportion might vary from bag to bag.

About$68\%$ will be between

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enter your response here$\%$ and

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enter your response here$\%,95\%$ will be between

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enter your response here$\%$ and

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enter your response here$\%,$ and$99\mathrm{.}7\%$ will be between

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enter your response here$\%$ and

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enter your response here$\%.$