Two owners of a cattle ranch, Jo and Val, want to find the average well get for the ranch's 200 cows. Instead of weighing all of the cows: Jo weighs 25 cows and get an average weight of 1,359 pounds (stdev 50) Val weighs 100 cows and gets an average of 1,420 pounds (stdev 50) what is Jo's margin of error, rounded to the nearest whole number? (The formula is 1.96x(StdDev)/vN)

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