. If C1 and C2 are subsets of the sample space C, show that P(C1 ∩ C2) ≤ P(C1) ≤ P(C1 ∪ C2) ≤ P(C1) + P(C2).

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%