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He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each

What is the simplified form of 400x100 ? o 200x10 o 200x50 0 20x10 • 20x50