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In: Statistics and Probability

In a recent survey conducted by Pew Research, it was found that 156 of 295 adult...

In a recent survey conducted by Pew Research, it was found that 156 of 295 adult Americans without a high school diploma were worried about having enough saved for retirement. Does the sample evidence suggest that a majority of adult Americans without a high school diploma are worried about having enough saved for retirement? Use a 0.05 level of significance.

  1. State the null and alternative hypothesis
  2. What type of hypothesis test is to be used?
  3. What distribution should be used and why?
  4. Is this a right, left, or two-tailed test?
  5. Compute the test statistic.
  6. Compute the p-value.
  7. Do you reject or not reject the null hypothesis? Explain why.
  8. What do you conclude?

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orchestra answered 2 years ago
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