A research firm conducted a poll in March 2020 among a random national sample of 453 adults. In the poll, 289 Americans approve of the president's management of the crisis. At 5% significance level, test the claim that the proportion of the Americans that approve the president's management of the crisis is greater than 60%.

Procedure: Select an answer One proportion Z Hypothesis Test One mean Z Hypothesis Test One variance χ² Hypothesis Test One mean T Hypothesis Test

Assumptions: (select everything that applies)

Step 1. Hypotheses Set-Up:

$\displaystyle {H}_{{0}}:$  Select an answer σ² μ p =	, where Select an answer μ p σ² is the Select an answer population mean population proportion population variance and the units are Select an answer subjects 100%
$\displaystyle {H}_{{a}}:$ Select an answer p σ² μ ? > ≠ <	, and the test is Select an answer Two-Tail Left-Tail Right-Tail

Step 2. The significance level $\displaystyle \alpha=$ %

Step 3. Compute the value of the test statistic: Select an answer f₀ t₀ χ²₀ z₀ = (Round the answer to 3 decimal places)

Step 4. Testing Procedure: (Round the answers to 3 decimal places)

CVA	PVA
Provide the critical value(s) for the Rejection Region:	Compute the P-value of the test statistic:
left CV is and right CV is	P-value is

Step 5. Decision:

CVA	PVA
Is the test statistic in the rejection region?	Is the P-value less than the significance level?
? yes no	? no yes

Conclusion: Select an answer Do not reject the null hypothesis in favor of the alternative. Reject the null hypothesis in favor of the alternative.

Step 6. Interpretation:

At 5% significance level we Select an answer DO NOT DO have sufficient evidence to reject the null hypothesis in favor of the alternative hypothesis.