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Confidence interval and Hypothesis Testing for proportion.

A politician is considering supporting a new policy but will only do so if it is popular with more than 60 percent of the electorate.  A survey of the electorate is conducted, with 1200 individuals sampled, of which 750 supported the new policy.

Required:
1.approximation the 95 percent confidence interval for the proportion of the electorate that support this policy
2.Given the politician requirement to support the policy, use a 5 percent significance test to demonstrate whether or not he/she must support it.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922215

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