3. Calculate or identify the test statistic, the P-value, the critical value. and the significance level. Write your answers in the correct blanks. Round to nearest ten-thousandth (four decimal places) if necessary. Then sketch a picture indicating the rejection region. (Hint: These can all be calculated using your calculators statistical capabilities or identied by reading all the given information in this lab. Remember you are not expected to calculate these values by hand. 1 critical value: test statistic: signicance level: P~value: rejection region: 4. State the decision of this hypothesis test with a complete sentence and proper grammar. Be sure tojustify your decision using either the classical approach or the P-Value approach. 5. Is the company fullling its promise to "change the oil in customers' cars in less than 30 minutes on average?" (Answer this by stating the conclusion of this hypothesis test in a complete sentence.)