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makkiz [27]
2 years ago
13

Which of the following is an example of a null hypothesis? A. The average quantity of detergent put into a box by this filling m

achine is not 1 pound and this shipping company's average delivery time is different from 3 days. B. The thickness of aluminum sheets averages is not .03 inches, as required. C. This industrial process makes windshields with an average length of 33 inches. D. The average quantity of detergent put into a box by this filling machine is not 1 pound. E. This shipping company's average delivery time is different from 3 days.
Mathematics
1 answer:
gavmur [86]2 years ago
5 0

Answer:

C

Step-by-step explanation:

Null hypothesis: hypthesis to test that there is no significant difference between the specific characteristic of a population. Analysts look to reject a null hypothesis

A. the shipping company's average delivery time is different from 3 days. This is an example of alternative hypothesis. Null hypothesis is writtien as a claim

B. This again is an example of alternate hypthesis. The claim that mean is 0.03 is rejected with the results

C. This is a claim

D. This is rejection of a claim that mean is 1 pound

E. This is rejection of claim that average delivery time is 3 days.

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vampirchik [111]
Original price was $234.95
49% marked down = $234.95 *49 / 100 = $115.13

So now the sale price = original price - price of 49% marked down

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Answer: sale price of a DVD player having a red tag marked down by 49% should be $119.82
8 0
2 years ago
Kaitlyn solved the equation for x using the following calculations. Negative 5.4 + x = 12.2. Minus 5.4. x = 6.8. What error, if
omeli [17]

Step-by-step explanation:

The equation that Kaitlyn solved is as follows :

-5.4+x=12.2

The steps to solve it as follows :

Step 1. Add 5.4 to both sides,

-5.4+x+5.4=12.2+5.4

Step 2. 5.4 will cancel out as both have opposite signs

x=17.6

But Kaitlyn solved it as :

5.4.x=6.8

She has multiplied -5.4 and x which is wrong. The correct answer is 17.6.

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2 years ago
PLSSS NEED HELP ASAPP :(( ITS MATH
Bezzdna [24]

Answer:

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Step-by-step explanation:

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2 years ago
Gina sold 5/8 of a mushroom pizza and 3/4 of an onion pizza to the same family.How much pizza in all did the family buy?
Murrr4er [49]

Answer:

1 and 3/8 of pizza

Step-by-step explanation:

5/8 + 3/4

3/4 x 2 to get the same denominator as 5/8

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6 0
2 years ago
Beatrice graphed the relationship between the
sdas [7]

Answer:

Option C. The time in seconds that passed before the printer started printing pages

see the explanation

Step-by-step explanation:

Let

y ---->the number of pages printed.

x --->  the  time (in seconds) since she sent a print job to  the printer

we know that

The x-intercept is the value of x when the value of y is equal to zero

In the context of the problem

The x-intercept is the time in seconds that passed before the printer started printing pages (the number of pages printed is equal to zero)

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2 years ago
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