A coffee manufacturer produces can of coffee that weigh 550 grams. The quality control department has been monitoring the production process and has become concerned that the cans weigh less than they are supposed to. The quality control department takes a sample of 70 cans and finds an average weight of 545 grams with a standard deviation of 17 grams. At the 1% significant level, determine if the quality control department is correct. From options #1 to #4, select the correct hypotheses for this test. From options #5 to #8, select the p-value for this test. From options #9 to #12, select the correct conclusion for this test.

Select 3 correct answer(s) Question 7 options: 1) H0:=550 grams Ha:>550 grams

2) H0:=550 grams Ha:<550 grams

3) H0:=545 grams Ha:>545 grams

4) H0:=545 grams Ha:<545 grams

5) 0.0164

6) 0.0139

7) 0.0069

8) 0.0082

9) The weight of the cans has decreased.

10) Based on the sample, there is enough evidence to conclude that the average weight in the cans has decreased.

11) Based on the sample, there is not enough evidence to conclude that the average weight in the cans has decreased.

12) The weight of the cans has increased.