3. Let A = {3, 4, {3}, {3, 4, 5}}. (a) True or False: {3,4} € A (b) True or False: {3,4} CA (c) True or False: {3} € A (d) True or False: {3} CA

Q: If n(A) = 66, n(B) = 21, and n(A ∩ B) = 9, find n(A ∪ B)

A: n(A)=66n(B)=21n(A∩B)=9n(A∪B)=n(A)+n(B)-n(A∩B)

Q: In the following, state whether A = B or not:(i) A = { a, b, c, d } B = { d, c, b, a }(ii) A = { 4,…

A:

Q: 3- From a group of 5 women and 7 men, how many đifferent coMmittees consisting of 2 Women and 3 men…

A: Given: n(women) = 5 n(men) = 7 n(women chosen) = 2 n(men chosen) = 3

Q: How many numbers of four digits can be formed with the digits 0, 1, 2, 3 (repetition of digits being…

A:

Q: If SSbetween=30, SSwithin=40,dfbetween=3, anddfwithin=20, then F= what?

A: The F-ratio is the ratio of between-group variance to within-group variance.…

Q: |P({1, 2, 3})| = ? O 3 O 6 O 8 O 9

A:

Q: If n(A ∪ B) = 97 and n(A) = n(B) = 66 find n(A ∩ B).

A: Given, n(A ∪ B) = 97 and n(A) = n(B) = 66

Q: In a deck of cards, Kings, Queens and Jacks are called the face cards. If 4 cards are randomly…

A: There are total 12 face cards in a deck of cards. Because 3 of each suit. And there are 4 suits. So…

Q: If 2 (5) = 72, then the value of n is:

A:

Q: In a group of people, 68 people can speak English, 45 people can speak in Arabic and 19 people can…

A: It is given that 68 people can speak English, 45 people can speak Arabic and 19 people can speak…

Q: A baseball manager has 12 players on his team but only nine players can play on the field at one…

A: Given that the baseball manager has 12 players on his team but only nine players can play on the…

Q: Evaluate: C(7,5)*P(9,2) / C(16,3)

A:

Q: If n(A) =130, n(B) =135, and n(A ∪ B) =250, what is n(A ∩ B)?

A: According to the given information in this questionWe are going to find n(A and B)

Q: Is {3} E {0, {1}, 2, {3}} ??? O True O False

A: Concept:

Q: If n(A) = 145, n(B) = 110, and n(A ∪ B) = 220, what is n(A ∩ B)?

A: Event:  The collection of outcomes in an experiment is called as an event. Addition rule:

Q: A={1,2}and B={1,5,7}find AxB

A:

Q: Plot the scatter plot defined by the points on the left. Then match it to the correct correlation…

A: 2,8,4,7,5,6,6,5,8,4 r=-0.83 1,1,3,3,5,5,7,7,9,9 r=-0.04 2,8,4,8,5,4,6,6,8,3 r=0.47…

Q: In a class , there are 6 boys and 5 girls . How many ways can we form a committee / group / team of…

A: Using permutations and combinations we can solve for the total number of ways in which a group of 6…

Q: 5. Write these sets in set-builder notation, where U = {1, 2, . . . , 20}. (a) {11, 12, 13, 14} %3D…

A: As per our guideline we are supposed to answer only three subpart of question you can repost other…

Q: Let B : and i Then (7)8

A:

Q: P2 Evaluate: 3! + 0!

A: We will solve the problem.

Q: Let Then where a11 = , a31 = , a12 = -1/9 , a32 = 1/9 1 +-679 A = 1 1 A-¹ = , a13 = 0 a11 a12 a13…

A: a11​=11782​ a12​=117−28​ a13​=11763​ a21​=1175​ a22​=117−4​ a23​=117−9​ a31​=117−13​ a32​=11713​…

Q: Let A=[-1,7[,8={-1,3.10,12} and C={7}. Then (A-B) UC=

A: Given that A={-1,7} B={3,7,10,13} C={7}

Q: 2{0} = {???} 2{1,2} = {???} 2{a,b,3} = {???}

A:

Q: The average of 3 numbers is between 7 and 10. The sum of the numbers could be any of the following…

A: Given that:-The average of 3 numbers is between 7 and 10.let, the three numbers are N1, N2 &…

Q: It has long been stated that the mean temperature of humans is 98.6^ F. However, two researchers…

A: Given: x¯=98.3. Standard deviation is σ=1. Sample size is n=250. Significance level α=0.01. let…

Q: If n(A) = 45, n(B) = 17, and n(A ∩ B) = 2, find n(A ∪ B)

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: Determine ¹ I 5s +1 s²-s-12)

A:

Q: If In a = 2, In b = 3, and In c = 5, evaluate the following: a (a) In %3D 6-4c (b) In vb a. In(a*b*)…

A: Give ln a =2 , ln b = 3, ln c = 5

Q: If n ( A ) = 25 , n ( B ) = 40 , a n d n ( A ∪ B ) = 55 ,what is n ( A ∩ B ) ?

A: Consider the given information nA=25,nB=40and nA∪B=55

Q: If n(A) = 47, n(B) = 19, and n(A ∩ B) = 4, find n(A ∪ B)

A:

Q: Assume that there are 70 students: 36 who enjoy tennis, and 13 who enjoy swimming but not tennis.…

A:

Q: Suppose A = {1,2,3,4,5,6} and B= {5,6,7,8,9} Then A\B=..?

A: We know that A\B = {x∈A and x∉B}

Q: What is RP and show it is compart

A: