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AVprozaik [17]
3 years ago
11

A sample of 800 computer chips revealed that 57% of the chips do not fail in the first 1000 hours of their use. The company's pr

omotional literature states that 62% of the chips do not fail in the first 1000 hours of their use. The quality control manager wants to test the claim that the actual percentage that do not fail is different from the stated percentage. Determine the decision rule for rejecting the null hypothesis, H0, at the 0.02 level.
Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
3 0

Answer:yes

Step-by-step explanation:

yes

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The graph of a line has a slope of 3 and passes through the point (-4,-5).
Goshia [24]

Answer:

3x - y + 7 = 0

Step-by-step explanation:

The given point is , ( -4 , -5) and the slope is 3. The point slope form is ,

=> y - y₁ = m( x - x₁)

=> y - (-5) = 3 { x - (-4) }

=> y +5 = 3( x + 4 )

=> y + 5 = 3x + 12

=> 3x - y + 12 - 5 = 0

=> 3x - y +7 = 0

<h3><u>Hence</u><u> the</u><u> </u><u>equation</u><u> of</u><u> the</u><u> line</u><u> is</u><u> </u><u>3x</u><u> </u><u>-</u><u> </u><u>y </u><u>+</u><u> </u><u>7</u><u> </u><u>=</u><u> </u><u>0</u><u> </u><u>.</u></h3>
5 0
3 years ago
Pleaseee help me solve this problem asap
Nikolay [14]

Answer:

$1.25 per cup

Step-by-step explanation:

To work this out you would simply divide the price of $5 by the quantity of 4, which gives you 1.25. This is because the price of 4 has been given, and so to find the price of one you would divide the price by the quantity.

The price per unit is =\frac{price}{quantity}

1) Divide 5 by 4.

5/4=1.25

Double checking:

To double check your answer you would multiply 1.25 by 4. And if the answer is 5 then you know that your price per unit is correct.

1) Multiply 1.25 by 4.

1.25*4=5

4 0
3 years ago
H + 9.2 = -9.2 what is h =
Usimov [2.4K]

Answer:

h = - 18.4

Step-by-step explanation:

h + 9.2 = - 9.2

h + 9.2 - 9.2 = - 9.2 - 9.2

h = - 18.4

8 0
3 years ago
Read 2 more answers
+
marta [7]

Answer:

x=11

Step-by-step explanation:

supplementary angles add up to 180 degrees

10x + 70 =180

10x = 110

x=11

11x10 = 110  

 110+70 = 180

3 0
2 years ago
What is the distance between ( 25, -3) and (1, -3)?
mezya [45]

Answer:

D = 24 units

Step-by-step explanation:

Using Distance Formula

Distance Formula = \sqrt{(x2-x1)^2+(y2-y1)^2}

D = \sqrt{(1-25)^2+(-3+3)^2}

D = \sqrt{(-24)^2+(0)^2}

D = \sqrt{576}

D = 24 units

5 0
3 years ago
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