An article found that Massachusetts residents spent an average of $860.70 on the lottery in 2010, more than three times the U.S. average (https://www.businessweek.com, March 14, 2012). A researcher at a Boston think tank believes that Massachusetts residents spend less than this amount. He surveys 100 Massachusetts residents and asks them about their annual expenditures on the lottery. (You may find It useful to reference the appropriate table: ztable or / table) Apicture Click here for the Excel Data File a. Specify the competing hypotheses to test the researcher's claim. OHg: H = 860.70; HA: M = $60.70 Ha: H 2 860.70; HA: M 860.70 b-1. Calculate the value of the test statistic. (Negative value should be Indicated by a minus sign. Round final answer to 3 decimal places.) Test statistic b-2. Find the p-value. p-value s 0.01 0 0.01 0.10 c. At a = 0.10, what Is the conclusion? Reject Ha; there is Insufficient evidence to state that the average Massachusetts resident spent less than $860.70 on the lottery In 2010 Reject Ha; there is sufficient evidence to state that the average Massachusetts resident spent less than $860.70 on the lottery In 2010 Do not reject He: there is sufficient evidence to state that the average Massachusetts resident spent less than $860.70 on the lottery In 2010 Do not reject He: there is Insufficient evidence to state that the average Massachusetts resident spent less than $860.70 on the lottery In 2010