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  3. rummaging through your grandfathers inheritance papers you discover that the...

Question: rummaging through your grandfathers inheritance papers you discover that the...

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Rummaging through your grandfather's inheritance papers you discover that the old man left you shares from Tesla (a car company) stock.

You quickly go to Google and find out that the CEO has recently made a controversial announcement that has caused the price of shares to fall over the last 3 days such that the mean selling price is $422.64.

Over the years, the mean price of Tesla stock has been $524.45 with a standard deviation of $58.33.

You wonder if this price drop is a consequence of the CEO's announcement. Should you hold on to your stock, or should you sell now? Why?

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