2. Ja. If a a = 0 and a b 0, what can you say about b? b. If a a 0 and a b 0, what can you say about b?

Q: 14. If- = 5%, then ба %3D 56 (A)6% (B) 25% (C) 30% (D) -%

A: Given; if a/b=5% then find 6a/5b.

Q: If "C, = "C,, then n is equal to 4. If "P, = 840, "C, = 35, then r = 5. "C, + "C, - "C, - "C, = 6.

A: Permutations are for lists (order matters) and combinations are for groups (order doesn’t matter).…

Q: 22. 0 E N 24. {1, 5, 9}~ {¥, II, E}

A: 22. 0∉N23. 1,5,9 ~Ψ,π,Σ

Q: Are (D+(m*13/12))/2 and ((D+M)/2) +2.5 and [D+ (m+5)]/2 equivalent? If so, show how. If not explain…

A:

Q: if n(A) = 6, n(B) = 8 and n(A∪B) = 14,which of the following is true? A.B⊆A B.A∩B=B C.A⊆B…

A: Please refer the attached image for complete solution.

Q: 7. B-A 8. Nx{r Ulr is a consonant in the word statistics}

A:

Q: If X = 17.34, s = 5.45, and M = 24.88, what is z?

A: Given: X = 17.34 s = 5.45 M = 24.88

Q: = 0.40, what is P(A)?

A: Independent event- two events ( suppose A and B) are called to be independent events if the outcome…

Q: If  n(A) = 11, n(A ∪ B) = 13, and n(B) = 5,  then what is  n(A ∩ B)?

A:

Q: If a, b e Z, then a2 – 4b – 2 ± 0

A: We need to prove that if a,b∈Z, then a2-4b-2≠0 We prove the result by method of contradiction.

Q: what is P(B)

A:

Q: If P(A) + P(B) = 0.9, P(A N B) = P(B nA) = 0.25,Then P(ANB) = 0.4 0.5 0.2 035

A: We have to find correct answer for given question .

Q: If det(AB) = 0, is det(A) = 0 or det(B ) = 0? Give reasons for your answer.

A: Given: det(AB)=0

Q: If ged (m,28)=4 and ged (8,7) = | ,then m- | ) ५ (012 b) 15 4)5 9 cd (ज) 2 8 ) - 4 gedt 28/-4 4 3.…

A: Yes your reasoning as well as answer is correct.

Q: ", if C C B – A, then ANC=0.

A:

Q: Suppose P(A) = .2, P(B) = .5, and P(A and B) = .1. What is P(A or B)?

A:

Q: a Let c d l=- 4, then – 4, then ba = ? d c -4 12 4

A:

Q: Either Tom golfs or it is not the case that both Linda and Mary skate. O Tv-(L M) -(L • M) 5 T OT=…

A: Given statement is Tom golf or it is not the case that both Linda and Mary skate. Let T: Tom golf.…

Q: Given P(A and B) = 0.10, P(A) = 0.68, what is P(B|A)

A: Given that, P(A and B) = 0.10 P(A) = 0.68

Q: 2. If n(A-B)-18, n(A U B)-70 and n(A N B)- 25, then find n(B). a. 50 b. 48 c. 52 d. 60

A: This question is related to set theory.

Q: If P(An B) = 0.2 and P(B) = 0.8, what is P(A | B)?

A:

Q: 5. (28)4/3

A:

Q: If P(A) = 3/4 and P(B) = 5/6, then P(A and B) = а. %3D

A:

Q: Р(АB)P(B), аnd P(ANB) P(ANB) Р(BA)P(A), ОTrue ОFalse

A:

Q: If a, = n(a, -1) and a, = 1, what is the value of (1) 5 (3) 120 (2) 20 (4) 720

A: Here we have,

Q: 2 ,2 + 2

A:

Q: 4. If 0° < a < 90° and 90° <B < 180°, then <B - a <. < a + B< and

A: Given: 0°&lt;α&lt;90° and 90°&lt;β&lt;180°. Now the minimum value of  α+β will be:…

Q: 34 took English; 38 took science; 37 took religion; 19 took English but not science; 11 took science…

A: Given that:                  Number of students taking English, E =34 Number of students taking…

Q: If a * b = a + 2ab, is (a * b) * c = a * (b * c)? *       a. Yes b. No c. Maybe d. Cannot be…

A:

Q: I need help with questions A, B & C

A: a) The null and alternative hypotheses are: Ho : The parachute will open when the parachutist pulls…

Q: 41oHo α2 4lodor 1 2α2 4lolor), 12 2α2| 4πα2 72 lolor παζ - 2α2| B2mr = Β2πι B2π = Β B = B = 1 2 14…

A: why does r^4/4a^2 gets to be r^2/2a^2?

Q: Please refer question in attached image

A: We have given the matrix

Q: Suppose we know that P(A) = 0.34, P(B) = 0.4, and P(A and B) = 0.28.What is P(A or B)?

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule states that:

Q: Given that P (A | B) = 0.2, P (A | B ') = 0.3 and P (B) = 0.8, what is the P (A∩B) =?

A: Solution: Given information: P(A|B)= 0.2 P(A|B')=0.3  and P(B) = 0.8

Q: If b=5, what is b to the third power

A: A number to the nth power can be represented as an, where a is the number. The expression, an is…

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 C(n,8) = C(n,6) , then the value of n is: %3D

A: Given,C(n,8) = C(n,6)C8n = C6nn!8!n-8! = n!6!n-6!…

Q: 14. (a) Is 2 C {2, 4, 6}? (b) Is {3} E {1, 3, 5}?

A: Introduction: Subsets are a subset of the mathematical concept of Sets. A set is a collection of…

Q: 1. If a=5, b=7, c =4, what is b x c - a + b^2 - (b-a)^4 /c + b -a? *

A: topic - algebraic operations

Q: If c 1b and a || c, what is m2? 个b 1 2 34 56 7 8 О А. 90 о В. 105 ос. 75 O D. not enough information

A: The given figure is  We have, line a is parallel to c   line c is perpendicular to b We have to…

Q: Let A = { a, b }, B = {a, b, c}. Is A ⊂ B ? What is A ∪ B ?

A: Given set is

Q: Find x, y, and z if (3 · 5) (2 3) (2 5) 2" 3° . 5

A:

Q: If P(A) =.35 and P(B) = .45, then P (A∩B) A. is .10 B. is .80 C. is .20 D. Cannot be determined from…

A: Given information: PA=0.35PB=0.45

Q: If a×b=a×c and a does not = 0 , does this mean that b=c?

A: As, the relation given

Q: 2. If P(A) = 7/13, P(B) = 9/13 and P(A∩B) = 4/13, evaluate P(A|B).

A: Given , (A) = 7/13, P(B) = 9/13 and P(A∩B) = 4/13,

Q: 24) If xx=* and what is the value of a + b? A) 4 B) 6 C) 2 D) 8 E) -2

A:

Q: 30 (1) If "C4 = "C, , the n is equal to 12

A: It is an important part of statistics .It is widely used.

Q: 12. What is the value of 0!-47 O 0! -4 24 O o! - 4 1 O 0! -4 0 O O! - 4= 4

A: We know that 0! = 1

Set Theory

Every field in the present world involves a set. The theory of sets was developed by German mathematician Georg Cantor while working on the “problems of trigonometric series”.