I'm posting the next set of medium/hard DS questions. I'll post OA's with detailed explanations after some discussion. Please, post your solutions
along with the answers. Good luck!
1. Bonnie can paint a stolen car in x hours, and Clyde can paint the same
1. If
, then the sum of all possible solutions for x is:
A. -2
B. 0
C. 1
D. 3
E. 5
Take the given expression to the 4th power:
;
Re -arrange and a
f ctor out x^2:
;
Factorize:
;
So, the roots are
,
and
. But
cannot be negative as it equals to the even (4t
1. A password on Mr. a
W llace's briefcaseconsists
of 5 digits.
What
is
the probabilitythat the password containsexactly
three digit
6?
A. 860/90,00 0
B. 810/100,000
C. 858/100,000
D. 860/100,000
E. 1530/100,000
oS lution: baker-s-dozen-128782-20.html#p10
SOLUTION:
1. THE SUM OF EVEN INTEGERS:
The sum of the even numbers between 1 and k is 79*80, where k is an odd number, then k=
?
(A) 7 9
(B) 80
(C) 81
(D) 157
(E) 159
The solution given n
i the file was 79, which si
not correct. Also the problem was solve
W11 L22 Learning Outcomes
At the end of the lesson you should be able to:
describe characteristics and parameters of a normal
distribution
determine z value and probability using the standard
normal distribution table
solve problems related to normal d
PART 1
Stress at work or school can be serious problem. A person suffering from too much stress
usually finds it difficult to be productive or happy. What are some ways to reduce the amount
of stress in someones life?
Problem: stress at work or school
Sol
Chapter 4 Outline
Chapter : 4.0 DISTRIBUTION OF RANDOM VARIABLES
4.1.
Random variables as a function, or mapping, from sample
space to real line; discrete and continuous variable. Symbol and
values of random variables.
4.2.
Probability of event not more t
NORTH CAROLINA A & T STATE UNIVERSITY
DEPARTMENT OF MATHEMATICS
Course Syllabus
Course Information
Course Number/Section
Course Title
MATH 132
Calculus II
Professor Contact Information
Professor
Dr. Gregory Gibson
Office Phone
(336) 285-2078
Email Address
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W10 L20 Learning Outcomes
describe characteristics and parameter of Poisson
distribution.
find the probability, mean and standard deviation.
differentiate between Binomial and Poisson distribution.
2
Recap W10 L19
Requirements of a Binomial experimen