Question

Out of 100 people sampled, 38 preferred Candidate A. Based on this, estimate what proportion of...

Out of 100 people sampled, 38 preferred Candidate A. Based on this, estimate what proportion of the voting population (pp) prefers Candidate A.

Use a 90% confidence level, and give your answers as decimals, to three places.

Homework Answers

Answer #1

Given that, out of 100 people sampled, 38 prefered candidate A.

The estimate of proportion of the voting population prefers candidate A is,

A 90% confidence level has significance level of 0.10 and critical value is,

Margin of error ( E ) is,

The 90% confidence interval for p is,

Confidence interval is, (0.300, 0.460)

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