O Detemine the type of error: Type I or Type II. 1) A university bookstore claims that the mean cost of textbooks for one class is greater than $160. Concluding that the mean cost is greater than $160, when it is really $160 or less. Error Type: 2) A cell phone company claim that the mean monthly bill for its customers is less than $50. Concluding that the mean monthly bill is $50 or more, when it is really less than $50. Error Type:

Q: What is the value of z that makes the following true? 10 2ェ -1 4 I + 3

A: The given equation is 4x+3=102x-1

Q: 1 4 1 -1 1 SIf A = 4 1 2 and B = -2 1 then -4 2 3 -4 4 A + B =

A:

Q: ५हीकटिकप्रेट %3D (ट+ प्ढ़ी-धा

A: Solution  Given13 - (2n+2) = 2(n+2) + 3n=> 13 - 2n - 2 = 2n + 4 +3n

Q: 4xdx х2-х+1

A:

Q: Match the following graph to its inverse. -5-4-3-2 5 3 ↑ M T + 1 2 3 4 5

A:

Q: 8) 2 . 1 1 X - 3

A: Simplification

Q: 3 2 Find the value of x if 1 = 10. O 2

A: To find the value of x for the below equation. 321x=10

Q: 72 Σ2 = 2n+1. i=0 - 1

A:

Q: -1 4 -1 3 B = 2 4 [2 0 -2 -1 3

A:

Q: In³ w 3 w√In²w-4 mp

A: Given :∫ln3wwln2w-4dw

Q: O PLU of A -2 3 -6 9 1 3 A = 2 3 1 4 1 1 -2 2 -2 which Ronis are switched ?

A: In this we do change the given matrix in echlone form.and find a matrix which has rank 4.

Q: a+2)+(b-4)i=6+9i

A: Given that (a+2)+(b-4)i=6+9i a= b=

Q: 3. 2π 3 TT .b O 3. Зл .d O II

A: We use the Euler Reflection formula to find the value of the given expression.

Q: If v-28 is subtracted from V-63, the difference is A i B B iv7 © -iv7 V-35

A:

Q: Question 1 f(a)da 7 -2 3

A: The given figure is:

Q: 1 -2 4 -2 3 If A = 3 4 -1 and B -1 8 0 find AB. -2 1 3 6. 1 2 ? ? ? ? ? AB ? ?

A: The given matrices are: A=1-2034-1-213 and B=4-23-180612 Find the value of AB.

Q: Question 1 -12 dz -9 I+4

A:

Q: If a? + b² = 1 and c2 +d² = 2 then the value of (ac+ bd)² + (ad – bc)² is, a. b. с. 1 d. 2 -/2419

A: Given

Q: -1 1 0 0 1 2 3 and B = 0 2 A = -3 1 A + B

A:

Q: b to the 2nd power -2bc+c to the 2nd power if b=3 and c=2

A: Given a function with variables b and c as shown belowWe need to find the value of the function if b…

Q: 1 -2 4 then what is 2A+ B" ? If A = and B 5 -3 -2

A:

Q: Is the answer to this question 2pi.

A: To explain that the given answer is correct or not.

Q: 1. Find AB. 5

A: Given : A right-angled triangle ∆ABC, ∠A = 45°∠C = 90°AC = 9

Q: 8) Find BA -5 B = -7 -8 3 A = -6 6. 6 4. #7 #8 Is AB = BA ?

A:

Q: a2– x2 (x+y)dæ dy

A:

Q: O -2 1 -1 A = 2 and C = 1 1 2 -1 -1, 4A + 0.5C

A: Give matrices are, A=0-22021C=1-111-1-1 Multiplying matrix A with 4. 4A=40-220214A=0-88084

Q: 15. Find mzN. (8x+17) (12x-39)

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Given 10x2 + 17x +3 Which two numbers multiply to a · c and add to b ? 10 and 3 1 and 17 15 and 2 10…

A: Given data  Quadratic equation 10x^2+17x+2 It is a from ax^2+bx+c  Product a•c=30  Sum a+c=b=17  The…

Q: #14 What is the correct answer for 14?

A: we have find all solution for the given equation

Q: X-3 = -19

A: Given,        x - 3 = - 19