What is Val’s margin of error, rounded to the nearest whole number? (The formula is 1.96 (std dev) / 2.45 1.01 3.92 9.80
What is Val’s margin of error, rounded to the nearest whole number? (The formula is 1.96 (std dev) / 2.45 1.01 3.92 9.80
Chapter5: Decimals
Section5.6: Ratios And Rate
Problem 482E: The average American produces about 1,600 pounds of paper trash per year (365 days). How many pounds...
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Two owners of a cattle ranch, Robert and Val, want to find the average weight for the ranch’s 200 cows. Instead of weighing all of the cows:
- Robert weighs 25 cows and gets an average weight of 1,550 pounds (stdev = 50)
- Val weighs 100 cows and gets an average weight of 1,380 pounds (stdev = 50)
What is Val’s margin of error, rounded to the nearest whole number? (The formula is 1.96 (std dev) /
-
2.45
-
1.01
-
3.92
-
9.80
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