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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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Evaluate the expression
Scilla [17]

Answer:

15

Step-by-step explanation:

substitute the values that are given into the expression.

c + a = x

12 + 3 = x

15 = x

6 0
3 years ago
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Does √(x) + √(x) = √(2x)?<br><br><br>If not please explain.
musickatia [10]

Answer:

You are correct.

Step-by-step explanation:

What you do is you add them together which is 2x and it stays in the square root. You are correct.

8 0
3 years ago
Kevin has $24 to buy a gift for his cousin . He found a gift for $22. With 5% sales tax added on. will Kevin have enough money t
Over [174]

Answer:

Yes he will have enough money to pay for the gift, and with that said, he will pay $23.10.

Step-by-step explanation:

All you have to do here is multiply 22 by 5%, which will get you 1.1, then you just add the 1.1 onto the $22 and you will have the total amount he has to pay.

6 0
3 years ago
Which inequality is a true statement?
tatiyna

Answer:-4 > -5

Step-by-step explanation:

5 0
3 years ago
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What is 8 3/5 + 4 4/5?
dangina [55]

Answer:

67/5 = 13 2/5

Step-by-step explanation:

Step 1: <u>Define/explain.</u>

An easier way to solve this is by changing the mixed fractions to improper fractions.

To do this, multiply the whole number by the denominator, then add the product to the numerator; the denominator remains the same.

Mixed fraction - a fraction with a whole number.

Improper fraction - a fraction with a numerator larger than the denominator.

Step 2: <u>Solve.</u>

8\frac{3}{5} =\frac{43}{5}

4\frac{4}{5} =\frac{24}{5}

From here, add as usual.

\frac{43}{5} +\frac{24}{5} =\frac{67}{5}

Step 3: <u>Conclude.</u>

You can change the improper fraction to a mixed fraction if you'd like.

To do this, divide the numerator by the denominator.

The amount of times the numerator evenly goes into the denominator is the whole number.

The amount of remaining numbers in the denominator.

The numerator remains the same.

\frac{67}{5} =13\frac{2}{5}

I, therefore, believe the answer to this is 13 2/5.

5 0
3 years ago
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