The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is enough to increase the the sales of its product. To investigate, the owner selected randomly selected eight outlets and sold the MP3 player at reduced price. At seven randomly selected outlets, the MP3 player is sold at regular price. The table below reports both sales numbers at reduced and regular sales price. Regular price 138 121 88 115 141 125 96 Reduced 128 134 price 152 135 114 106 112 120 What is the decision, conclusion and the pooled variance ? Select one: a.Do not reject H evidence of an increase in sales, 0.334 b.Do not reject H, no evidence of an increase in sales,16.46. c.Do not reject H. no evidence of an increase in sales, 16 46 d.Do not reject Hno evidence of an increase in sales, 305.708 e.Reject H, and evidence of an increase in sales, 122278

Q: Aresident in a paticular cty pays a water bil of $4.48 per month plus $213 per 1000 galions of water…

A: Let the total number of thousand gallons of water is used will be x. so, the usage fee for x…

Q: 20. Use u substitution to evaluate. S secrtant 1+secx dx

A: Evaluation of the indefinite integral by substitution method

Q: What is the Antiderivative of du 2.

A:

Q: , Giran me qiven family of ines for b=0, I, I 3, I6

A: Graph of  y = -2x y = -2x -1 y = -2x +1 y = -2x -3 y = -2x +3 y = -2x -6 y = -2x +6

Q: 4)Given determine

A:

Q: 2. 2 4 Scot² 3x csc + 3xdx

A:

Q: + 16)° dx

A:

Q: 714 a) J116z SE-3") da

A:

Q: Given show =5 how dy %3D

A: differentiate y with respect to x .

Q: 4. Compute , 3x – V1 – x² dx.

A:

Q: Using DeMoran's thearem, show that: L (A + B)'(.4' + B')' = 0 b. A + A'B +.4'B' - 1

A: Concept: a. Given; A+B'(A'+B')'=0 We shall solve the Left hand side of equation. Apply Demorgan's…

Q: solve by seperating the variabler

A:

Q: 6 uoi ion V 108r²y³ +xv/ 75y³

A: We have to simplify   √(108x2y3) + x√(75y3)

Q: (a) Does logging significantly reduce the mean number of species in a plot after 8 years? Give…

A: Test statistic: (x1 – x2)  /  sp(√1/n1 + 1/n2) where x1 and x2 are the sample means, n1 and n2 are…

Q: 13. Prove or disprove: Q/ZQ.

A: (.) We have to prove or disprove .

Q: Cannot solve

A: Given

Q: Find the solotion of the differential eaoation thot satisties the qiven nital condiion

A: The given differential equation is,

Q: What is the image of C? C B C' A B' A'

A: Solution is given below:

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.