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Mathematics 9 Online
OpenStudy (anonymous):

In a survey, 40 people were asked, Would you call heads or tails when a coin is tossed? The sample proportion of the number of people who said they would call heads was found to be 0.65. What is the margin of error of the sample proportion?

OpenStudy (armyrangers):

I think it is they should have asked 100 people but I could be wrong

OpenStudy (anonymous):

Okay, thanks!

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