Dr. Scott believes giving dogs ice cream on a weekly basis will increase their lifespan significantly. He knows that most beagles live for 11 years, with a standard deviation of .5 years. He tests his theory by giving one of his beagles (chuck) 1 cup of ice cream every Friday for his entire life. Chuck lives until he is 16 years old.

a) Test this study at the .05 level. Explain why you rejected or failed to reject the hypothesis