Question
A well known brokerage firm executive claimed that 20 of investors are currently confident of meeting their investment goals An XYZ Investor Optimism Survey conducted
A well known brokerage firm executive claimed that 20 of investors are currently confident of meeting their investment goals An XYZ Investor Optimism Survey conducted over a two week period found that in a sample of 600 people 29 of them said they are confident of meeting their goals Test the claim that the proportion of people who are confident is larger than 20 at the 0 10 significance level The null and alternative hypothesis would be Ho p2 0 2 Ho p 0 2 Ho 0 2 Ho p 0 2 Ho 0 2 Ho 0 2 H p 0 2 H p0 2 H 0 2 H p 0 2 H p0 2 H p 0 2 O O O O O The test is left tailed right tailed two tailed O The test statistic is The p value is Based on this we O Reject the null hypothesis O Fail to reject the null hypothesis to 3 decimals to 4 decimals
A well known brokerage firm executive claimed that 20 of investors are currently confident of meeting their investment goals An XYZ Investor Optimism Survey conducted over a two week period found that in a sample of 600 people 29 of them said they are confident of meeting their goals Test the claim that the proportion of people who are confident is larger than 20 at the 0 10 significance level The null and alternative hypothesis would be Ho p2 0 2 Ho p 0 2 Ho 0 2 Ho p 0 2 Ho 0 2 Ho 0 2 H p 0 2 H p0 2 H 0 2 H p 0 2 H p0 2 H p 0 2 O O O O O The test is left tailed right tailed two tailed O The test statistic is The p value is Based on this we O Reject the null hypothesis O Fail to reject the null hypothesis to 3 decimals to 4 decimals
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