A decade-old study

= Question 20 of 20 (1 point) | Question Attempt: 1 of 1 -SyVRXF19F_OAHM6Rx2f6TnS_nmDM-savljUN5aq... Leslie v A decade-old study found that the proportion, p, of high school seniors who believed that "getting rich" was an important personal goal was 80%. A researcher decides to test whether or not that percentage still stands. He finds that, among the 240 high school seniors in his random sample, 193 believe that "getting rich" is an important goal. Can he conclude, at the 0.1 level of significance, that the proportion has indeed changed? Perform a two-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) The null hypothesis: H : [ O D X S p The alternative hypothesis: H , : 1 & St. Jude Children's The type of test statistic: (Choose one) v 020 Research Hospital Finding cures. Saving children 040 00 stjude.org/wemissyou The value of the test statistic: Round to at least three decimal places.) 0 X ? The two critical values at the 0. 1 level of significance: - Choose One ( Round to at least three and decimal places.) Z Can we conclude that the proportion of high school seniors who believe that "getting rich" is an Yes No T important goal has changed? Chi Square 2020 McGrew-Hill Edu to search O