Which series represents this situation? 1 + 1 • 7 + 1 • 7² +... 1 • 7⁶
1 + 1 • 7 + 1 • 7² +... 1 • 7⁷
7 + 1 • 7 + 1 • 7² +... 1 • 7⁶
7 + 1 • 7 + 1 • 7² +... 1• 7⁷

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%

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

Ineed in figuring out this problem.