The commercial for the new Meat Man Barbecue claims that it takes 13 minutes for assembly. A consumer advocate thinks that the assembly time is lower than 13 minutes. The advocate surveyed 12 randomly selected people who purchased the Meat Man Barbecue and found that their average time was 10.4 minutes. The standard deviation for this survey group was 3.4 minutes. What can be concluded at the the a = 0.10 level of significance level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Ho: ? Select an answer H₁: ? Select an answer c. The test statistic ? C = (please show your answer to 3 decimal places.) d. The p-value = (Please show your

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