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Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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%

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog