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You want to know if Governor Gavin Newsom will likely be recalled so you want to build a 95% confidence interval for his disapproval rating.
You want to know if Governor Gavin Newsom will likely be recalled so you want to build a 95% confidence interval for his disapproval rating. You randomly survey 158 Californians and find that 62 disapprove of Newsom.
- Explain why the sampling distribution of sample proportions is approximately normal.
- Write the critical value that corresponds to the given confidence level. Then compute the sample proportion p^p^. Write the proportion as a fraction and a decimal rounded to two decimal places.
- Compute the estimated standard error. Show the calculation and round to three decimal places to earn full credit.
- Compute the margin of error EE. Show the calculation and round your answer to three decimal places to earn full credit.
- Write the 95% confidence interval. Write your answer as aninterval with values rounded to three decimal places to earn full credit.
- Interpret the confidence interval in context.
- Another student found the 99% confidence interval to be (0.29, 0.49). Based on these results, do you think Newsom will be recalled? Explain.
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