Carry out the steps in constructing a confidence interval, Ask an Expert

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Carry out the steps in constructing a confidence interval for a population proportion: define the parameter; check conditions; perform calculations; interpret results in context.

A recent Gallup Poll conducted telephone interviews with a random sample of adults aged 18 and older. Data were obtained for 1000 people. Of these, 37% said that the football is their favorite sport to watch on television.

(a) Define the parameter p in this setting. Explain to someone who knows no statistics why we can't just say that 37% of all adults would say that football is their favorite sport to watch on television.

(b) Check conditions for constructing a confidence interval for p.

(d) Interpret the interval in context.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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