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Korolek [52]
3 years ago
7

A coffee machine is designed to discharge, when operating properly, 7 oz. of coffee per cup with a standard deviation of .2 oz.

A random sample of 36 cupfuls is taken by a statistician to test the accuracy of the machine. If the researcher choses a 5% significance level, calculate the power of a test and the probability for type 2 error given the true amount dispensed per cup is
Mathematics
1 answer:
Mariana [72]3 years ago
8 0

Answer:

I’m

Step-by-step explanation:

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Is |4x+2|+6=0 no solution, all real numbers, 0, and 2
algol [13]

                                        <u>|4x + 2| + 6 = 0</u>

Subtract  6  from each side:  |4x + 2| = -6

But the absolute value of a number is always positive.
No value of 'x' can ever make  |4x + 2|  negative.

So the equation has <em>no solution</em>.


7 0
4 years ago
What are some benefits of representing data sets using frequency distributions?
nekit [7.7K]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
Describe the relationship between the terms in each arithmetic sequence. Then
shtirl [24]

Answer:

(a) The sum of the previous term and 9

(b) 36, 45, 54

Step-by-step explanation:

Given

Sequence: Arithmetic Progression

0,9,18,27

Solving (a): Describe the relationship in each term

First, we calculate the common difference (d)

In arithmetic progression:

d = T_n - T_{n-1}

Take n as 2

d = T_2 - T_{2-1}

d = T_2 - T_{1}

Where

T_2 = 9\ and\ T_1 = 0

d =9-0

d =9

<em>The relationship is: The sum of the previous term and 9</em>

Solving (b): The next three terms

As said in (a) each term is derived from a sum of 9 and the previous term

So, we have:

Next\ Term = 27 + 9 = 36

Next = 36 + 9 = 45

Next = 45 + 9 = 54

Hence, the next three terms are: 36, 45 and 54

4 0
3 years ago
Pls ans I will give brilliant who ever ans first!
Degger [83]

Answer:

12

Step-by-step explanation:

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7 0
3 years ago
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Cubes are three-dimensional square shapes that have equal sides. What is the density of a cube that has a mass of 12.6 g and a m
Ymorist [56]
D = m / V 
<span>m = 1.26 g </span>
<span>V = s^3 = 4.1^3 = 68.921 cm^3 </span>
<span>so </span>
<span>D = 12.6 / 68.921 = 0.1828 g/cm^3 </span>
<span>and this corresponds to choice (a)

</span>
7 0
3 years ago
Read 2 more answers
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