1. Use the Extended Euclid's Algorithm to solve ƒ-1 for 8 mod
11
2. Use the max function to calculate max3(x, y, z) if x = 2, y =
6, z = 5. Show your work!
Using the Chinese remainder theorem solve for x:
x = 1 mod 3
x = 5 mod 7
x = 5 mod 20
Please show the details, I`m trying to understand how to solve
this problem since similar questions will be on my exam.
1.
use back substitution to solve for x and y in the following
equation: 417x + 362y = 1
2. Use contradiction to show that there is no integer that is
both even and odd
3. For all integers a, b, c, and d, if a/c and b/d then
ab/cd
4. For all integrrs a, b, and c, if a/b and b/c then
ab/c
a. Solve 7x + 5 ≡ 3 (mod 19).
b. State and prove the Chinese Remainder Theorem
c. State and prove Euler’s Theorem.
d. What are the last three digits of 9^1203?
e. Identify all of the primitive roots of 19.
f. Explain what a Feistel system is and explain how to decrypt something encoded with a Feistel system. Prove your result.
Use the Pohlig-Hellman algorithm to solve 19x ≡ 184 (mod 337)
for x. Write out at least one successive squaring in detail, and at
least one instance of the Chinese Remainder Theorem.
a) Use Fermat’s little theorem to compute 52003 mod 7,52003 mod 11, and 52003 mod 13.
b) Use your results from part (a) and the Chinese remaindertheorem to find 52003 mod 1001. (Note that1001 = 7 ⋅ 11 ⋅ 13.)
Use the following distribution of sample data
X=study hours
12
12
11
8
8
3
and calculate the mean, SS,
the variance and the standard
deviation.
Mean=? SS=? variance=? standard deviation=?
The above data (in question #2)represents data collected from a
small random sample of students who reported how many hours they
study per week. Use the mean, standard deviation and n
from the data above and alpha =.05 in a hypothesis test to
determine whether students spend the recommended 12...