4.How many students in a class must there be (smallest size) to
ensure that at least...
4.How many students in a class must there be (smallest size) to
ensure that at least 10 students get the same grade (one of A, B,
C, D, F, or N)?
(Using the pigeonhole principle)
(Please explain it, finding the principle difficult to
understand. Thank you!)
An art class has 10 students in it. All of them must present
their portfolios and...
An art class has 10 students in it. All of them must present
their portfolios and explain their work to the instructor and their
classmates at the end of the term.
How many presentation orders are possible if:
a) the student names are drawn from a hat to determine who goes
first, second, and so on?
b) the student names are put in alphabetical order to determine who
goes first, second, and so on?
November 1st, 2020: All 200 students of ABC class at HKU buy
Tesla Care warranty protection...
November 1st, 2020: All 200 students of ABC class at HKU buy
Tesla Care warranty protection from Tesla Inc. for which they pay
$10,000 each for their Tesla cars. They each pay Tesla cash of
10,000 each on November 1st for the contract. The Tesla Care
contract lasts 2 months and allows students to replace their Tesla
Car battery if the battery fails within the 2 months until December
31st, 2020. Once Tesla provides a replacement battery, the contract
expires,...
A class contains 30 students.
1) The teacher asks three questions during a class, which any...
A class contains 30 students.
1) The teacher asks three questions during a class, which any
student can answer. How many unique outcomes?
2) The class is divided into 6 teams of 5 students each,
numbered team #1 thru #6. Each team is to make a presentation. How
many different ways can the team presentations be sequenced?
3) A team of 8 students is to be selected from the class. In how
many unique ways can this team be selected?...
[Note: The order of jobs in a schedule is
1st,2nd,3rd,4th,5th,
for A,B,C,D,E, respectively.]
The jobs A,B,C,D,E,...
[Note: The order of jobs in a schedule is
1st,2nd,3rd,4th,5th,
for A,B,C,D,E, respectively.]
The jobs A,B,C,D,E, arrived in that order to be processed on two
machines.
Job
A
B
C
D
E
Time on Machine 1
40
48
58
26
70
Time on Machine 2
37
60
56
48
72
Question 6. Which is the Johnson’s Rule schedule?
(A) ‘DBECA’ (B)
‘ACEBD’ (C) ‘DCABE’
(D) ‘DABEC’ (E) none of the above
Question 7. Consider the FIFO schedule of (A,B,C,D,E)....
1) Previous studies have reported 75% of all students
living in the dormitories own a computer....
1) Previous studies have reported 75% of all students
living in the dormitories own a computer. The Information
Technology Department at a large university would like to estimate
the3 proportion of their students living in the dorms, p, who own a
computer.
Using a 95% confidence interval, what is the minimum required
sample size the IT department should use if they want a margin of
error no larger than 0.03? Show all work.
2) Assuming a normal distribution, the apples'...