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castortr0y [4]
3 years ago
9

A recent Associated Press article out of Belgium indicated the European Union was considering a probe of computer makers after c

onsumers complained that they were being overcharged for ink cartridges. Companies such as Canon, Hewlett Packard and Epson are the printer market leaders and make most of their printer related profits from sales of replacement ink cartridges.
Suppose an independent test agency wishes to conduct a test to determine whether name-brand ink cartridges generate more color pages than competing generic ink cartridges. To test this theory 6 people are given both a name-brand color ink cartridge (Canon) and a generic color ink cartridge. The number of color pages each printed is counted. The agency used alpha =0.01.

Printer user

Name-Brand

Generic

1

306

300

2

256

260

3

402

357

4

299

286

5

306

290

6

257

260

Which of the following is the proper set of hypotheses?

H0: µD(namebrand-generic) = 0

H1: µD(namebrand-generic) > 0

H0: µD(namebrand-generic) = 0

H1: µD(namebrand-generic) < 0

H0: µnamebrand - µgeneric = 0

H1: µnamebrand - µgeneric < 0

H0: µnamebrand - µgeneric = 0

H1: µnamebrand - µgeneric > 0
Mathematics
1 answer:
Phoenix [80]3 years ago
3 0
If you don’t know we don’t either but ishebrhd
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The area of a rectangular classroom is given by the trinomial 10x^2 + 3x - 4 What are the possible dimensions of the classroom?
juin [17]
Answer: The expression factors to (2x - 1)(5x + 4)

In a rectangle the area is L x W. So if we know the area is 10x^2 + 3x - 4, then all we have to do is factor it to find possible values for the L and W.

If you factor the expression by grouping, you will get (2x - 1) and (5x + 4).

Your questions asks for possible dimensions, you could give the two expressions as dimensions.

If you wanted to select a value for x, you could plug it in and get values that could be dimensions.

For example if you let x = 10, you would have a rectangle that has a width of 19 and a length of 54.
7 0
3 years ago
Somebody please help me for gods sake I swear I’d do it but I have no idea what this is and it’s due today
Fed [463]

Answer:

Domain: (-∞,∞)

Range: (-4, ∞)

Transformation: y = | x - 2 | - 4  (parant function is y = | x | )

Increasing Values: (-4,∞)

Decreasing Values: (-∞,-4)

End Behavior: f(x) → + ∞ on both sides

Hope this helps!

6 0
3 years ago
Does anyone know how to do this HW??
Helga [31]

Answer:

i once took a pic of my HW on this app and got it finished in under 10 minutes

5 0
3 years ago
PLEASE HELP ASAP, ITS DUE TONIGHT
xxTIMURxx [149]

Answer:

Zack = x

Tony = x + 6

x + x + 6 = 42

2x + 6 = 42

2x = 36

x = 18

So,

Zack = x = 18

Tony = x + 6 = 18 + 6 = 24

8 0
3 years ago
Chloe just turned 8 years old and her sister Sheila just turned 14 years old. In how many years will the sum of their ages be eq
Otrada [13]
14 years. In 14 years Chloe will be 22 and Sheila will be 28. 22+28 is 50.
6 0
3 years ago
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