Read the following statements then decide if, when combined, they present a convincing argument. You may need to refer back to your Polygon Graphic Organizer as you consider the following statements and decide if the conclusion is correct. Be sure to justify your reasoning. Fact #1: A square has four sides of equal length.

Fact #2: A square is a rectangle because it has four right angles.

Fact #3: A rhombus also has four sides of equal length.

Conclusion: A rhombus is a rectangle.

The investigating team suspected that there were differences in the cost of repairing cars in workshop i and workshop ii. the investigating team suspected that the costs raised by workshop i were greater than workshop ii. for that they tested the repair of 15 cars in each workshop to see the cost of repairs. the decision of the right hypothesis to prove the suspicion above is a. h0 : μ1- μ2­ = 0; ha : μ1- μ2­ ≠ 0 b. h0 : μ1- μ2 ≥ 0; ha : μ1- μ2 < 0 c. h0 : μd ≥ 0; ha : μd < 0 with μd = μ2- μ1 d. h0 : μd = 0; ha : μd ≠ 0 with μd = μ2- μ1 e. h0 : μ1- μ2 = 0; ha : μ1- μ2 ≥ 0