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2. Record the number of pins on the water. Be careful to not counts twice. There...

2. Record the number of pins on the water. Be careful to not counts twice. There were __71__ pins in the water and ___14__ pins on the soil (non-water points).

3. Calculate a sample proportion of points that are on water and a 90% confidence interval for the proportion of the Earth that is covered with water. 90% Confidence Interval __(0.119,0.275)___

4. Ask “Google” what percent of the water’s surface is truly covered by water. Record your answer here. __71%__

5. Does your confidence interval contain the true proportion of the population? (Yes or No) ___ Explain why or why not. __________________________________________________________

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