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KiRa [710]
3 years ago
15

Pew Research recently did a study on American's response to the question "Do you think that business corporations make too much

profit?" A random sample of 300 Americans found that 179 agreed. Use a 1% level of significance to test if the proportion of Americans who feel businesses make too much profit is greater than 50%.
1. State the necessary requirements and if they are met

2. State null and alternate hypotheses

3. Give test statistic and one of {P-value or critical value}

4. State your conclusion in real world terms.
Mathematics
1 answer:
kirill115 [55]3 years ago
4 0

Answer:

comparison

Step-by-step explanation:

comparison

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A scientist conducted an experiment. Due to chemical reaction, the temperature of a compound rose 1/10 degree every 1/4 hour for
klio [65]

Answer:

The rate is \frac{2}{5} degree per hour.

Step-by-step explanation:

Given : A scientist conducted an experiment. Due to chemical reaction, the temperature of a compound rose \frac{1}{10} degree every \frac{1}{4} hour for a limited time.

To find : What was the rate, in degrees per hour that the temperature of the compound rose ?

Solution :

In every \frac{1}{4} hour the temperature of a compound rose \frac{1}{10} degree

To get  the rate, in degrees per hour,

In every 1 hour the temperature of a compound rose is

r=\dfrac{\frac{1}{10}}{\frac{1}{4}} degree

r=\dfrac{4}{10} degree/hr

r=\dfrac{2}{5} degree/hr

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5 0
3 years ago
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Ann [662]

Answer:

-9

Step-by-step explanation:

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3 0
3 years ago
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Greeley [361]

Answer:   \bold{b)\quad \dfrac{x-5}{8}}

<u>Step-by-step explanation:</u>

y=8x+5\\\\\\\text{Swap the x's and y's.  Then solve for y:}\\x=8y+5\\\\\\\text{Subtract 5 from both sides:}\\x-5=8y\\\\\\\text{Divide both sides by 8:}\\\dfrac{x-5}{8}=y

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Step-by-step explanation:

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5 0
3 years ago
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Phantasy [73]

Answer:

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Step-by-step explanation:

What number multiplied by itself will give you 9

3*3 =9

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sqrt(9) * sqrt(9) = sqrt(81) = 9

-sqrt(9) * -sqrt(9) = + sqrt(81) =9

7 0
3 years ago
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