SOLUTION: A random sample of 722 residents in a major town was asked whether they had ever been bitten by a dog. The responses (1=Yes and 2=N0) are recorded. Estimate with 95% confidence the

Algebra ->  Probability-and-statistics -> SOLUTION: A random sample of 722 residents in a major town was asked whether they had ever been bitten by a dog. The responses (1=Yes and 2=N0) are recorded. Estimate with 95% confidence the      Log On


   

Question 1176526: A random sample of 722 residents in a major town was asked whether they had ever been bitten by a dog. The responses (1=Yes and 2=N0) are recorded. Estimate with 95% confidence the proportion of residents who have been bitten by a dog?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi
ME = z%2Asqrt%28%28p%281-p%29%29%2Fn%29
Using p = .50 as no information given
 ME = 1.96%2Asqrt%28%28.5%2A.5%29%2F722%29 = .0365
 .5 - .0365< mu < .5 + .0365
       .4635 < mu < .5365

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