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PtichkaEL [24]
3 years ago
5

You want to know the opinions of dog owners across America on the issue of establishing a law requiring individuals who own pit

bulls to obtain insurance for their dogs. You obtain a list of all registered dog owners and mail a survey to a random sample of 5,000 owners. Of those, 2,389 responded and 22% say that they favor the law. Which of the following statements is true?
Because random sampling is used, we can feel confident the percentage of all dog owners who say they favor insurance for pit bulls is close to 22%.

Because less than half of those who were mailed the survey actually responded, we can feel fairly confident that the actual percentage of all dog owners who say they favor pit bull owners getting insurance for their dog is close to 22%.

We cannot trust these results because the survey was mailed. Only survey results from face-to-face interviews are considered valid.

The results of this survey may be affected by nonresponse bias.
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
8 0

Answer:

The results of this survey may be affected by nonrepsonse bias

Step-by-step explanation:

Just took this test

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photoshop1234 [79]
From largest to smallest:

3 hundreds (300) , 6 tens (60) , 8 ones (8)

hope this helped :)
6 0
4 years ago
Read 2 more answers
Please tell me if my answer is correct if not correct answer it please correctly
kicyunya [14]

Answer:

11. should be A  12 is good 14 is C

Step-by-step explanation:

5 0
3 years ago
Tanx-cotx / sinxcosx =sec^2-csc^2x. Please show all steps. 
Katarina [22]
\bf \cfrac{tan(x)-cot(x)}{sin(x)cos(x)}\implies \cfrac{\frac{sin(x)}{cos(x)}-\frac{cos(x)}{sin(x)}}{sin(x)cos(x)}\implies \cfrac{\frac{sin^2(x)-cos^2(x)}{cos(x)sin(x)}}{\frac{sin(x)cos(x)}{1}}
\\\\\\
\cfrac{sin^2(x)-cos^2(x)}{cos(x)sin(x)}\cdot \cfrac{1}{sin(x)cos(x)}\implies \cfrac{sin^2(x)-cos^2(x)}{cos^2(x)sin^2(x)}
\\\\\\
\textit{and now, we distribute the denominator}
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\cfrac{sin^2(x)}{cos^2(x)sin^2(x)}-\cfrac{cos^2(x)}{cos^2(x)sin^2(x)}\implies 
\cfrac{1}{cos^2(x)}-\cfrac{1}{sin^2(x)}

and surely you know what that is

3 0
3 years ago
Fran naders insurance coverage bodily Injury 25/100 and $100,000 property damage. It has a $50-deductible comprehensive and a $5
vladimir2022 [97]

Answer:

$250,000

Step-by-step explanation:

This is the correct question below;

Fran naders insurance coverage bodily Injury 25/100 and $100,000 property damage. It has a $50-deductible comprehensive and a $50-deductible collision. Her car is in age group C and Insurance-rating group 10(or C,10) and her driver-rating Factor is 1.50.

Find her annual premium.

To calculate this, we proceed as follows;

Mathematically,

Annual premium = Face amount * $1000

25/100 * 100,000 * 100

This is 25,000 * 100 = $250,000

7 0
3 years ago
Read 2 more answers
Which is the simplified form of this expression? <br><br> (2x+3) (x-6)-2x^2+3x+30
docker41 [41]
-6x + 12

To find this answer, follow these steps:

First, multiply 2x + 3 and x - 6 using either the FOIL method or the box method. This should get you the answer of 2x^2 - 9x - 18

This should now replace the 2x + 3 and x - 6

So with that, you should have this currently:

2x^2 - 9x - 18 - 2x^2 + 3x + 30

Now, combine like terms:

The 2x^2 cancels each other out. After that, combine -9x and 3x to get -6x. Then -18 and 30.

This should leave you with the final answer of -6x + 12

Hope this helps!
8 0
3 years ago
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