Problem 1: Adults saving for retirement 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. Ho:P=0.5288; H1>0.5288 2. What type of hypothesis test is to be used? Hypothesis test for population proportion 3. What distribution should be used and why? Binomial probability distribution because it is used to identify unusual events. 4. Is this a right, left, or two-tailed test? Right tailed 5. Compute the test statistic. -0.991 6. Compute the p-value. -34.10 7. Do you reject or not reject the null hypothesis? Explain why. Reject the null hypothesis because the p-value is less than the level of significance (alpha). 8. What do you conclude? Conclude that majority of adult Americans without a high school diploma are not worried about having enough saved for retirement