1 1.1.3 Quiz: Random Outcomes, Sample Spaces, and Events MA
Place
Is a city is in North America
Rome
✓
Tokyo
✓
Houston
✓
✓
Peru
Miami
✓
✓
Toronto
✓
✓
Canada
✓
A place from this table is chosen at random. Let event A = The place is a city
What is P(A)?
O A.
O B.
Ο Ο Ο
c.

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?