Suppose you own a share of a company's stock. Over the past several days its selling prices has been right around $14. For the history of the...

Suppose you own a share of a company's stock. Over the past several days its selling prices has been right around $14.89. For the history of the company, the average stock price has been $10.43 with a standard deviation of $5.60. Is this unusually high? Should you sell, given this information, or is it likely that the price could go up more? Show your work and explain your answer.