Answer Happy

Question 11 A well-known brokerage firm executive claimed that 20% of investors are currently confident of meeting their investment goals. < But you believe that the proportion of people who are confident is larger than 20%, and decide to test your claim at the 0.05 significance level. Your survey, conducted over a two week period, found that in a sample of 400 people, 24% of them said they are confident of meeting their goals. The null and alternative hypothesis would be: > Ho p=0.2 Ho:p ≤ 0.2 Ho:p≥ 0.2 H₁:p 0.2 H₁ p > 0.2 H₁ p < 0.2 The test is: left-tailed right-tailed two-tailed The test statistic is: The p-value is: Based on this we: Fail to reject the null hypothesis Reject the null hypothesis (to 3 decimals) (to 4 decimals)