Let W Be the Event That You Will Use the Website

Let W be the event that you will use the website tonight, Q be the event that your math grade will improve, and E be the event that you will use the website every night. Express the following event in symbols.
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"Either your math grade will not improve, or you will use the website tonight, but not every night."
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Use the symbol " ~ " for the complement of the event. For example, complement of the event E would be $\sim E$ .
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