Mathematics, 10.09.2019 18:30 bananaslugs
There are n passengers in a plane with n assigned seats (n is a positive integer), but after boarding, the passengers take the seats randomly. assuming all seating arrangements are equally likely, what is the probability that no passenger is in their assigned seat? compute the probability when n → [infinity]. hint: use the inclusion-exclusion principle
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Given: ab ≅ cd and ad ≅ bc prove: abcd is a parallelogram. 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? triangle angle sum theorem sas congruency theorem sss congruency theorem cpctc
Answers: 1
There are n passengers in a plane with n assigned seats (n is a positive integer), but after boardin...
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