A Gallup poll conducted telephone interviews with a random sample of 1000 adults aged 18 and older.
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A Gallup poll conducted telephone interviews with a random sample of 1000 adults aged 18 and older. Of these, 37% said that football is their favorite sport to watch on television. The margin of error for this estimate is 3.1 percentage points.
a. Would you be surprised if a census revealed that 50% of adults in the population would say their favorite sport to watch on TV is football? Explain your answer.
b. Explain how Gallup could decrease the margin of error.
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Here n1000 and p037 and margin of error E0031 a The co...View the full answer
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