Question

The governor wants to build a new library for three cities X,Y and Z. The distance between each city is 12 kilometers, and the location of the new library will be equildistant to all three cities

Answer #1

QUESTION 11
Last month, Jeff applied to three colleges (X, Y, and Z). Before
applying, he and his family had visited the all three colleges.
There is no need to visit the colleges again. Jeff has received
admissions from Colleges X and Y. He is trying to decide which
college he will attend. The following information is available:
College X College Y
(1) Cost of
attendance $30,000 $21,000
(2) Program
quality Excellent Average
(3) Campus visit
cost $900 $300
(4)
Location big
city big
city
(5)
Scholarship $10,000 $10,000...

Find the distance between the given skew lines x=5-t, y=4+5t,
z=1-3t and x=t, y=9, z=5t
KINDLY INCLUDE THE COMPLETE SOLUTION

Define a new operation of addition in Z by x ⊕ y = x + y − 1 and
a new multiplication in Z by x y = 1.
• Is Z a commutative ring with respect to these operations?
• Find the unity, if one exists.

Consider three binary random variables X, Y, Z with domains {+x,
-x}, {+y, -y}, and {+z, -z}, respectively. Please use summation
notation
a) Express P(X) in terms of the joint distribution P(X,Y,Z)
b) Express P(X) in terms of P(Z), P(Y|Z), and P(X|Y, Z)
c) Expand the sums from part (b) to express the two elements of
P(X), (P(+x) and P(-x)) in terms of the individual probabilities
(e.g. P(-c) instead of P(C))

Prove that the Gromov-Hausdorff distance between
subsets X
and Y of some metric space Z is 0 if and only if X = Y
question related to Topological data analysis 2

The City of New York is planning to build a library in its
downtown area. Due to budgetary
constraint, the City faces the decision on whether to build it
all now (full development), or build
part now (delayed plan) and complete the project in 10 years
later.
The City hires you to do a present cost analysis to compare the
options described below for
perpetual life at 4% effective interest rate:
1. First
cost
Full
development Delayed
plan
$1,800,000 ...

An analyst wants to
determine whether the cost of a flight depends on
the distance. She collects a set of data of the round-trip fare for
flights between Dallas and some other cities on major airlines and
the distance between cities. The following table gives the
descriptive statistics of the distance (in miles) and the cost (in
dollars).
Mean
Standard Deviation
Miles (x)
1650.4
1074.4
Costs (y)
291
111.71
r = 0.9352
Find a simple linear
regression line to predict...

Prove: Let x,y be in R such that x < y.
There exists a z in R such that x < z <
y.
Given:
Axiom 8.1. For all x,y,z in
R:
(i) x + y = y + x
(ii) (x + y) + z = x + (y + z)
(iii) x*(y + z) = x*y + x*z
(iv) x*y = y*x
(v) (x*y)*z = x*(y*z)
Axiom 8.2. There exists a real number 0 such that
for all...

Duck Company makes three products (X, Y, & Z) with the
following characteristics: Products X Y Z Selling price per unit $
10 $ 15 $ 20 Variable cost per unit $ 6 $ 10 $ 10 Machine hours per
unit 2 4 10 The company has a capacity of 2,000 machine hours, but
there is virtually unlimited demand for each product. In order to
maximize total contribution margin, how many units of each product
should the company produce?
Multiple...

1) Generate a data set with three variables (X, Y and Z). X and
Y have 10 observations for each (N=10), and Z has 13 observations
(N=13). Each observation should have two digits (such as “83” or
“8.3”).
2) Draw a stem-and-leaf display for variable Z only and draw a
box plot display for variable Z after specifying the 5 numbers
(UEX, LEX, FU, FL, MD).
3) Calculate the mean and standard deviation for variable X
4) Calculate the mean...

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