What is the correct answer, do i have it right?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Does the point (1, sqrt 7) lie on circle shown.