Question

Fill in the blanks and Make sure your answer is reduced.

Find inverse of 2 (mod 17).

2^-1 ≡ ____________(mod 17).

Find inverse of 34 (mod 89).

34^-1 ≡ _____________(mod 89).

Find inverse of 144 (mod 233).

144^-1 ≡ ___________(mod 233).

Find inverse of 200 (mod 1001).

200^-1 ≡ ___________ (mod 1001).

Fill in the blanks and If x has no solution, write "NA" on all the answer blanks.

Find all x such that 34x ≡ 77 (mod 89).

x ≡ ______ (mod ) _______

Find all x such that 144x ≡ 4 (mod 233).

x ≡ ______ (mod ) _______

Find all x such that 200x ≡13 (mod 1001).

x ≡ ______ (mod ) _______

Find all x such that 52x≡8 (mod 220).

x ≡ ______ (mod ) _______

Find all x such that 53x≡235 (mod 137).

x ≡ ______ (mod ) _______

Find all x such that 77x≡49 (mod 121).

x ≡ ______ (mod ) _______

Find all x such that 77x≡42 (mod 91).

x ≡ ______ (mod ) _______

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Answer #1

Find inverse of 2 (mod 17).

2^-1 ≡ 9 (mod 17).

Find inverse of 34 (mod 89).

34^-1 ≡ 55 (mod 89).

Find inverse of 144 (mod 233).

144^-1 ≡ 89 (mod 233).

Find inverse of 200 (mod 1001).

200^-1 ≡ 996 (mod 1001).

Fill in the blanks and If x has no solution, write "NA" on all the answer blanks.

Find all x such that 34x ≡ 77 (mod 89).

x ≡ 37 (mod ) 89

Find all x such that 144x ≡ 4 (mod 233).

x ≡ 123 (mod ) 233

Find all x such that 200x ≡13 (mod 1001).

x ≡ 936 (mod ) 1001

Find all x such that 52x≡8 (mod 220). == 13x ≡ 2 (mod 55)

x ≡ 34 (mod ) 55

Find all x such that 53x≡235 (mod 137).

x ≡ 113 (mod ) 137

Find all x such that 77x≡49 (mod 121).

x ≡ NA. Because inverse of 77 (mod 121) doesn't exist. Or gcd of 77
and 121 is 11 which is not equal to gcd

Find all x such that 77x≡42 (mod 91). == 11x ≡ 6 (mod 13)

x ≡ 10 (mod ) 13

Pat.#
Before
After
1
195
125
To the left is 2 datasets measured for
a sample of 107 patients with the high cholesterol level before and
after taking medication. Obtain the following for both sets:
2
208
164
3
254
152
1- the mean, mode and median
4
226
144
5
290
212
2- the variance and standard
deviation
6
239
171
7
216
164
3- First, second and third
quartiles
8
286
200
9
243
190
10
217
130...

State
Total
Murders1
Total
Firearms
Handguns
Rifles
Shotguns
Firearms
(Type
Unknown)
Knives or
Cutting
Instruments
Other
Weapons
Hands, Fists,
Feet, and so on2
Alabama
3
3
1
0
1
1
0
0
0
Alaska
57
39
12
2
1
24
7
8
3
Arizona
278
171
128
4
3
36
42
55
10
Arkansas
164
110
51
10
4
45
18
30
6
California
1,861
1,275
855
34
33
353
263
233
90
Colorado
176
115
65
12
6
32...

A loan made on March 14 is due September 13 of the following
year. Find the exact time for the loan in a non-leap year and a
leap year.
days.
The exact time in a non-leap year is ? days
The exact time in a leap year is ? days.
Data Table
Sequential Numbers for Dates of the Year
Day of Month
Jan.
Feb.
Mar.
Apr.
May
June
July
Aug.
Sept.
Oct.
Nov.
Dec.
1
1
32
60
91
121...

Use the Manufacturing database from “Excel Databases.xls” on
Blackboard. Use Excel to develop a multiple regression model to
predict Cost of Materials by Number of Employees, New Capital
Expenditures, Value Added by Manufacture, and End-of-Year
Inventories.
Locate the observed value that is in Industrial Group 12 and has
7 employees. Based on the model and the multiple regression output,
what is the corresponding residual of this observation? Write your
answer as a number, round to 2 decimal places.
SIC Code...

Researchers in a 2015 study by Flannery et al. sought to
estimate the effectiveness of the seasonal influenza vaccine in
preventing acute respiratory infection (ARI). A total of 507
subjects from Texas who showed symptoms of ARI were recruited for
this study. The data provided show the result of each subject's
test for influenza.
Click to download the data in your preferred format.
CrunchIt! CSV Excel
JMP Mac-Text Minitab
PC-Text R ...

Your firm works in construction and buys ASTM A325M8S bolts in
very large numbers. You are interested in purchasing bolts from
different suppliers and have obtained and tested samples of 200
bolts from three suppliers: Allnutt, Boltzman, Coachers.You have
tested these in your new bolt testing machine, purchased after you
had discovered your old bolt testing machine was performing
erratically. (For the purposes of this question, you are safe to
assume that the new machine works perfectly and that its...

4) In order to determine the best-selling style
of tennis rackets that are sold in State College, you have
collected data from all sporting goods stores in town. A tennis
racket is classified by both its head size and grip size. The Excel
sheet “Sales Data Tennis Rackets” in Module 3 contains the data you
collected for sales of tennis rackets. Each entry in the Excel
sheet represents the sale of one tennis racket. You will have to
separate your...

Bivariate Data & Probability
After completing the calculation by hand in Q1 you can use
Excel to check your answers before submitting. Q2 assesses your
general understanding of probability and linear associations using
Excel to analyse a large dataset.
Question 1
Covariance and Correlation
The table below shows a set of sample bivariate data. Calculate
the covariance and correlation coefficient by completing the below
table. Show all working.
X
Y
(X - )
(Y - )
(X - )(Y -...

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