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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%

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?