5. An election poll reported that a candidate had an approvalrating of 40% with

Question

5. An election poll reported that a candidate had an approvalrating of 40% with a margin of error E of 2%. Construct aconfidence interval for the proportion of adults who approve of thecandidate. The confidence interval for the proportion of adults whoapprove of the candidate is (___- _____) 5. An election poll reported that a candidate had an approvalrating of 40% with a margin of error E of 2%. Construct aconfidence interval for the proportion of adults who approve of thecandidate. The confidence interval for the proportion of adults whoapprove of the candidate is (___- _____)

Explanation / Answer

Given p=0.4, E=0.02 The confidence interval is p ± E --> 0.4 ± 0.02 --> (0.38, 0.42)

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