#ATTENDANCE QUIZ FOR LECTURE 5 of Dr. Z.'s Math336 Rutgers University

# Please Edit this .txt page with Answers

#Email: ShaloshBEkhad@gmail.com 
#Subject: p5
#with an attachment called
#p4irstLast.txt
#(e.g. p4DoronZeilberger.txt)

#Right after attending the lecture, but no later than 4:00pm that day

Q1. THE FIRST ATTENDANCE QUESTION WAS:
What year was Tribonacci born and when did he die? 

A1. MY ANSWER TO THE FIRST ATTENDANCE QUESTION IS:
Fibonacci was born in 1170 in Pisa and died around 1250. 

Q2. THE  SECOND ATTENDANCE QUESTION WAS:
What is the probability that in a class of 18 students what is the probability there are 2 people named Julian?

A2. MY ANSWER TO THE  SECOND ATTENDANCE QUESTION IS:
The probability of someone being named Julian in the US is 0.00548 (1/18,233). Therefore, the probability that in a class of 18 there are 2 Julians is (1/18233)*(1/18233)*(18232/18233)^16 = 3.005*10^-19. 

Q3. THE  THIRD ATTENDANCE QUESTION WAS:
What is the name of this constant 1.618033989? 

A3. MY ANSWER TO THE  THIRD ATTENDANCE QUESTION IS:
This is the golden ratio. 

Q4. THE  FOURTH ATTENDANCE QUESTION WAS:
Who discovered the Leslie matrix? 

A4. MY ANSWER TO THE  FOURTH ATTENDANCE QUESTION IS:
Patrick Holt Leslie discovered the Leslie matrix, although interestingly there is not much about him on the internet.