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Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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%

Find the value of x. give reasons to justify your solutions! l, m ∈ kn