Questions on Logic: Subset answered by real tutors!

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Question 1166893: What is the subset of T= {f,o,u,r}
Click here to see answer by Edwin McCravy(20055)

Question 1167302: A six-sided die has been tossed 4 times. How many sequences of these 4 outcomes contain at least one number greater than 4?
Click here to see answer by Edwin McCravy(20055)

Question 1169154: Consider the ff. premise: "Every sane person can do logic. No dog can do logic. Those who are not sane cannot work in the government."
Which of the ff. is not a valid conclusion?
a. Dogs cannot work in the government.
b. No dog is sane.
c. Logical persons cannot work in the government.
d. Those who work in the government are not logical.
Click here to see answer by Edwin McCravy(20055)

Question 1170378: cardinality of set of even numbers between 12 and 20.
Click here to see answer by ikleyn(52781)

Question 1171720: List all numbers from the given set B that are members of the given Real Number subset.
B = {11, , Square root 8 -18, 0, 3/4, Sqaure Root 4, 0, 0.61} Rational numbers
Click here to see answer by Solver92311(821)

Question 1171805: If A = {a, e, I, o, u} can you tell how many subsets with one element each can you make?

Click here to see answer by Edwin McCravy(20055)

Question 1173285: Write the equation for the following relation. Include all of your work in your final answer.

\[P=\left\{(x,y):(1,0),\ (2,4),\ (3,8),\ (4,12),\ ...\right\}\]
Click here to see answer by Edwin McCravy(20055)

Question 1175865: express the set using roaster listing method
{ x | x ∈ N and 9 < x ≤ 14}

Click here to see answer by CubeyThePenguin(3113)

Question 1176595: TRUE or FALSE. ( 2 pts. Each)
1.) Given { x Є R / -1 < x < 2 } then the solution set is { -1, 0, 1, 2 ].
2.) Given { x Є Z / -2 < x ≤ 1 }, the solution set is { -1, 0, 1 ].
3.) Let { x Є Z+/ -3 ≤ x < 3 }, the solution set is { 0,1, 2 }.
4.) Let { x Є Z-/ -5 ≤ x ≤ 1 }, the solution set is { -5, -4, -3, -2, -1}.
5.) Let { x Є Prime nos. / 1 ≤ x ≤ 5 }, the solution set is { 1, 3, 5 }.
Click here to see answer by MathLover1(20849)

Question 1176594: Let A = { 1, 2, 3 }, B = { 2, 4, 5, 6 }, C = { 1, 2, 3, 5, 6 }, D = { 4, 5, 6 }
1.) Is A subset of B ?

Click here to see answer by Solver92311(821)

Question 1181416: N ( a) = 13 and n ( b) = 8 then what is n (b/a) and n(u)

Click here to see answer by ikleyn(52781)

Question 1186668: If p={1,2,3.4},Write down all the subsets of p which have exactly two element
Click here to see answer by MathLover1(20849)

Question 1186668: If p={1,2,3.4},Write down all the subsets of p which have exactly two element
Click here to see answer by greenestamps(13200)

Question 1187132: Let U = {0,1, 2, 3, 4, 5, 6, 7}
A = {2, 6, 7}
B = {2, 3, 5, 7}, and C = {0, 2, 6}.
Find A ∪ B'
im lost can someone help?
Click here to see answer by MathLover1(20849)

Question 1187619: A hen lays eight eggs. Each egg was weighed and recorded as follows:
60 g, 56 g, 61 g, 68 g, 51 g, 53 g, 69 g, 54 g. Find the Variance?

Im a little lost please help

Click here to see answer by MathLover1(20849)

Question 1187782: An article in the San Jose Mercury News stated that students in the California state university system take 4.8 years, on average with a standard deviation of 1.9, to finish their undergraduate degrees. Suppose you believe that the mean time is longer.
You conduct a survey of 72 students and find they have a mean of 5.5 and a standard deviation of 1.8.
What would be your standard error of the mean (SEM)? Please compute to 4 decimal places.
Click here to see answer by Boreal(15235)

Question 1188861: Cameron is 5 years older than Samuel. Tommy is 42. Reba is 6 years younger than Tommy and 1 year older than Samuel. How old is Cameron?

Click here to see answer by josgarithmetic(39617)

Question 1191038: U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {3, 5, 7, 8}, B = {2, 6}
Create a venn diagram from the given sets.
Click here to see answer by Solver92311(821)

Question 1191833: Let U = {q, r, s, t, u, v, w, x, y, z}
A = {q, s, u, w, y}
B = {q, s, y, z}
C = {v, w, x, y, z}.
Determine the following.
A ∩ B'
Click here to see answer by Edwin McCravy(20055)

Question 1191833: Let U = {q, r, s, t, u, v, w, x, y, z}
A = {q, s, u, w, y}
B = {q, s, y, z}
C = {v, w, x, y, z}.
Determine the following.
A ∩ B'
Click here to see answer by greenestamps(13200)

Question 1192015: In a group of 200 students, each student studies at least one of the three science subjects:
Biology, Chemistry and Physics. 130 study Biology, 135 study Chemistry, 115 study Physics, 86
study Biology and Chemistry, 70 study Chemistry and Physics, and 64 study Physics and Biology.
a. All 3 subjects
b. Exactly 2 subjects
c.Only Biology.
Click here to see answer by math_tutor2020(3817)

Question 1194127: Given a set A = {
7
,
5
,
6
,
H
,
G
,
n
}, answer the following questions:
a. Find the number of subsets of A
Click here to see answer by MathLover1(20849)

Question 1194127: Given a set A = {
7
,
5
,
6
,
H
,
G
,
n
}, answer the following questions:
a. Find the number of subsets of A
Click here to see answer by greenestamps(13200)

Question 1194127: Given a set A = {
7
,
5
,
6
,
H
,
G
,
n
}, answer the following questions:
a. Find the number of subsets of A
Click here to see answer by math_tutor2020(3817)

Question 1194127: Given a set A = {
7
,
5
,
6
,
H
,
G
,
n
}, answer the following questions:
a. Find the number of subsets of A
Click here to see answer by ikleyn(52781)

Question 1194155: Let S be the universal set, where: -
S={1,2,3,...,18,19,20}
Let sets A and B be subsets of S, where: Set A={3,4,6,12,13,14,18}
Set B={1,3,7,8,11,12,15,17,19,20}
Find the following:
-LIST the elements in the set (AUB):
(AUB)=(1,3,4,6,7,8,11,12,13,14,15,17,18
LIST the elements in the set (AnB):
(AnB) =(3,12)

Click here to see answer by ikleyn(52781)

Question 1195210: P and q are two sets such that np=17, nq=14 and n(p n q)=5. find n(p u q).

Click here to see answer by ikleyn(52781)

Question 1195639: Let S={1,2,3,4,5,6,7,8,9,10} be the universal set.
Let sets A, B, and C be subsets of S , where:
Set A={1,6,7,10}

Set B={2,9,10}

Set C={3,4,5,7,8}

LIST the elements in the set A∩B∩C:A∩B∩C= {___}
LIST the elements in the set A∪B∪C:A∪B∪C= {__}

Click here to see answer by math_tutor2020(3817)

Question 1196189: Let U = {1,2,3,...,8,9,10} be the universal set.
Let sets A and B be subsets of U, where:
Set
A
=
{
2
,
3
,
4
,
8
,
9
}

Set
B
=
{
3
,
4
,
6
,
7
,
8
,
9
}

LIST the elements in the set
A
'
:
A
'
= {
1,2,3,4,6,10
Partially correct }
LIST the elements in the set
B
'
:
B
'
= {
}
LIST the elements in the set
A
∪
B
:
A
∪
B
= {
3,10
Partially correct }
LIST the elements in the set
A
∩
B
:
A
∩
B
=
Click here to see answer by ikleyn(52781)

Question 1196537: Let U = {q, r, s, t, u, v, w, x, y, z}, A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. List the elements in the following set.
A ∩ B with line on top
Click here to see answer by MathLover1(20849)

Question 1196992: All the members of a group of 30 students belong to at least one of these clubs: Academic, Music and Arts.
6 of the students belong to only the Arts Club.
5 of the students belong to all 3 clubs.
2 of the students belong to the Academic and Arts clubs but not to the Music club.
15 of the students belong to the Arts Club.
2of the students belong only to the Academic Club.
3 of the students belong only to the Music Club.
Find the number of students who belong to at least two clubs?
Click here to see answer by math_tutor2020(3817)

Question 1197000: 1.Each of the four children Dino, Sonny, Nikko, and Xian, holds a different object (fan, car, dart, and slime).
From the following clues, determine who owns which object.
a. Sonny is older than his friend who owns the car and younger than his friend who owns the dart.
b. Nikko and his friend who owns the slime both have the same age. They are the youngest members of
them.
c. Dino is older than his friend who owns the fan.

2.Nine teams register in a basketball league. Each team will compete with the other teams only once. How
many games will be played in the basketball league?

3.On three quizzes, Alan received scores 82, 91, and 77. What score does Alan need on the fourth quiz to
raise his average to 86?
Click here to see answer by ikleyn(52781)

Question 1201378: The subsets of a set are sets that contain some of the elements of the original set. for example, the set {A,B} has four subsets: {}, {A},{B} and {A,B}. notice that the original and the empty set are both considered to be subsets of the original set. The number of subsets that the set {A,B,C,D,E,F} has is
a) 8 b) 16 c) 32 d) 64 e) 128
Click here to see answer by ikleyn(52781)

Question 1204028: The cardinal number of {xlx=x+5 and x∈N} is
Click here to see answer by greenestamps(13200)

Question 1204028: The cardinal number of {xlx=x+5 and x∈N} is
Click here to see answer by ikleyn(52781)

Question 1204958: In a class of 50 students, 24 like football, 21 basketball and 18 cricket. Six like football and basketball only, 3 like basketball only, 5 like all three games and 14 did not like any of the three games
(i) Illustrate this information on a Venn diagram.
(ii) Find the number of students who like:
(α) football and cricket only;
(β) exactly one of the games.
Click here to see answer by math_tutor2020(3817)

Question 1206779: Let S be the universal set, where: S = {1,2,3,...,28,29,30}
Let sets A and B be subsets of S, where set A = {2,11,14,15,16,18,26}, Set B = {3,915,22,24,28}, Set C = {16,20,23,30}. List the elements for (AnBnC)

Click here to see answer by MathLover1(20849)

Question 1207922: Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}.
List the elements in the set - A∩(B∪C)^c
Click here to see answer by Edwin McCravy(20055)

Question 1207922: Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}.
List the elements in the set - A∩(B∪C)^c
Click here to see answer by math_tutor2020(3817)

Question 1208142: If every element of a set A is also an element of a set B, then we say that A is a subset of B and write A ⊆ B.
Sample 1
Set A = { x, y, z }
Set B = { w, x, y, z }
I can say that A ⊆ B.
Sample 2
Set A = { 1, 2, 3 }
Set B = { 0, 1, 2, 3, 4, 5 }
I can say that A ⊆ B.
You say?
Click here to see answer by ikleyn(52781)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900