(AX
1. There are 134 students in our nite math class. Consider the following subsets of
students:
A = {students who like apricots}
B 2 {students who like bagels}
C = {students who like candy}.
(A) Given that
n(U) = 134 n(A) = 91 n(B) = 71
"(63113 12(
Math 1711
Finite Math
Spring 14
Practice Exam 4
1. Find the value of a for which the corresponding system of linear equalities has no
solutions:
1 1 3
A=
3 a 1
For which values of a is there a unique solution? Is there any value of a for which
there are i
Math 1711
Finite Math
Spring 14
Practice Exam 2
1. An experiment consists of picking a number at random from the set cfw_1, 2, 3, 4, 5, 6, 7, 8, 9.
What is the probability that the number selected is 4? larger than 6?
2. Are the following probabilities fe
Math 1711
Finite Math
Spring 14
Practice Exam 3
1. Two dice are tossed and the lower of the two numbers is recorded. Find the
expected value of this experiment.
2. A container of lightbulbs has a 5% defective rate. What is the probability that at
least 3
Math 1711
Finite Math
Spring 14
Practice Exam 1
1. How many subsets of cfw_a, b, c, d contain the subset cfw_a?
2. If U is the single-digit numbers U = cfw_0, 1, 2, 3, 4, 5, 6, 7, 8, 9, then how many
subsets of U are there? If A = cfw_0, 1, 2 and B = cfw_
Math 1711 Exam 4 Spring 2014
Instructor: Sal Barone (B)
Name: K g 1
GT username:
Circle your TA/section: (D1) Ashley (D2) Kayla (D3) Alyssa (D4) Aileen
1. No books or notes are allowed.
2. You may use ONLY NONGRAPHING and NONPROGRAMABLE scientic
Math 1711 Exam 2 Spring 2014
Instructor: Sal Barone (B)
GT username:
Circle your TA/section: (D1) Ashley (D2) Kayla (D3) Alyssa (D4) Aileen
1. No books or notes are allowed.
2. You may use ONLY NON-GRAPHING and NONPROGRAMABLE scientic calcu-
la
Math 1711
Finite Math
Spring 14
Practice Exam 4
1. Find the value of a for which the corresponding system of linear equalities has no
solutions:
1 1 3
A=
3 a 1
For which values of a is there a unique solution? Is there any value of a for which
there are i