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dlinn [17]
3 years ago
8

If someone could help u would be amazing!!!!!

Mathematics
1 answer:
GaryK [48]3 years ago
3 0
Tasha's mistake is in Step 4
she has a negative sign in front of the fraction and she has a negative exponent on the 4 in the denominator
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Determine what type of statistical test should be used to answer each of the questions below. (You will only use each response o
Svet_ta [14]

Answer:

1.One proportion

2. Proportions from Dependent Samples

3. Two Independent Proportions

4. One Mean

5. Means from Dependent Samples

6. Two Independent Means

Step-by-step explanation:

What proportion of Americans believe in climate change? - One proportion

From the above information, there is only one sample and the question is about proportion. So, we must use "One proportion".

Do college students change their view on climate change as they go through college? One hundred freshman are asked if they believe in climate change. The same students are asked four years later if they also believe in climate change. - Proportions from Dependent Samples

From the information given, there are two samples and samples are dependent ( that is same students are asked four years later). Furthermore, the question is about proportion, we must use " Proportions from dependent samples ".



Is there a difference in the proportion of men and women who believe in climate change? - Two Independent Proportions

From the information given, there are two independent samples and they are asking about proportion, we must use "Two independent proportions".

What is the average amount of time that Americans spend watching or reading the news a day? - One Mean

From the information, there is only one sample and they are asking about mean. Therefore, we must use ". One mean".

Is there a difference in the amount of time that college students spend reading or watching the news as they go through college? One hundred students were asked as freshmen and as senior how many minutes a day they spent reading or watching the news? - Means from Dependent Samples

There are two samples and samples are dependent ( the same students are asked four years later). Also, they are asking about mean, we must use "Means from dependent samples ".

Is there is a difference in the amount of time that Republicans and Democrats spend watching or reading the news? - Two Independent Means

From the information given, there are two independent samples and they are asking about mean, we must use "Two independent means".

8 0
3 years ago
Which information is not necessary to solve this problem? 
mamaluj [8]
C. forty guests were invited
3 0
3 years ago
What operation is performed in order to determine the amount of sale tax
Andrews [41]

Answer:

multiplication

Step-by-step explanation:

You have to multiply the cost of an item or service by the sales tax in order to find out the total cost.

6 0
3 years ago
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Which expression could be used to determine the cost of a $50 video game after a 20 percent discount? $50(0.20) $50(1 – $50)(0.2
lina2011 [118]
<span>The correct equation is $50(0.80). The discount is 20% or 0.20, so we multiply the original price by 1-(discount), which is 1-0.2, so we multiply by 0.80.</span>
8 0
4 years ago
Read 2 more answers
[[3+ (8-3^2)-2] +3] / 5-2•2
katovenus [111]
3
+
8
−
3
2
−
2
+
3
5
−
(
2
)
(
2
)
=
−
3.4

6 0
3 years ago
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