A poll of 815 adults finds that 497 believe that medicarelegislation does not go

Question

A poll of 815 adults finds that 497 believe that medicarelegislation does not go far enough in how much it coversprescription drugs for seniors. the announced margin of error forthis result is a plus or minus four percentage points. the newsreport does not give the confidence level. You can be quite surethat the confidence level is 95%.

a. What is the value of the sample proportion p who believe thatmedicare legislation does not go far enough in how much it coversprescription drugs for seniors ? explain in words what thepopulation parameter p is in this setting and make a confidencestatement about the parameter p.

Explanation / Answer

Here the sample proportion p who believe thatmedicare legislation does not go far enough in how much it coversprescription drugs for seniors is p = X/n = 497/815 =0.6098

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