Which of these answers best describes the core?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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%

Ineed with math stuff it involves graphs