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kicyunya [14]
3 years ago
7

Which of the following are involved in graphs of linear equations?

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
6 0

Answer:

Multiple choice answers: Slope, Intercepts, and the graph is the solution set.

Step-by-step explanation:

Hope it works for ya.

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The government of Preon (a small island nation) was voted in at the last election with 58% of the votes. That was 2 years ago, a
mel-nik [20]

Answer:

a) z=\frac{0.684 -0.58}{\sqrt{\frac{0.58(1-0.58)}{114}}}=2.250  

b) p_v =2*P(z>2.250)=0.0244  

If we compare the p value and the significance level given we see that p_v we have enough evidence to reject the null hypothesis at 5% of significance.

Step-by-step explanation:

Data given and notation

n=114 represent the random sample taken

\hat p=0.684 estimated proportion of people that their approval rating might have changed

p_o=0.58 is the value that we want to test

\alpha=0.05 represent the significance level

Confidence=95% or 0.95

z would represent the statistic (variable of interest)

p_v represent the p value (variable of interest)  

Hypothesis

We need to conduct a hypothesis in order to test the claim that true proportion of people that their approval rating might have changed is 0.58 or no.:  

Null hypothesis:p=0.58  

Alternative hypothesis:p \neq 0.58  

Part a

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Calculate the statistic  

Since we have all the info requires we can replace in formula (1) like this:  

z=\frac{0.684 -0.58}{\sqrt{\frac{0.58(1-0.58)}{114}}}=2.250  

Part b: Statistical decision  

The significance level provided \alpha=0.05. The next step would be calculate the p value for this test.  

Since is a bilateral test the p value would be:  

p_v =2*P(z>2.250)=0.0244  

If we compare the p value and the significance level given we see that p_v we have enough evidence to reject the null hypothesis at 5% of significance.

7 0
3 years ago
the table tells us that 4 students had no siblings 5 students had one sibling, 14 students had two siblings and so on
Hatshy [7]
The answer is 8000383890
7 0
3 years ago
1. The function h = - 4.9x2 + 40x + 1 gives the height of a baseball after it has been hit
pickupchik [31]
The ball will hit the ground between 8 and 9 seconds

4 0
3 years ago
a glass of jar contains 1 red, 3 green and 2 blue marbles. asingle marble is chosen at random from the jar and its color is reco
lubasha [3.4K]

hi,  

first let's count the marbles :  1+3+2 = 6  

so picking a red  is  1/6

                  a green is :  3/6

                    a bleu is :  2/6

4 0
3 years ago
How many terms are in the following expression?<br> 2x+4y+8-2
sashaice [31]

Answer:

3

Step-by-step explanation:

In this expression, the first term is <em>2x</em>, then <em>4y, </em>then 8-2 (which simplifies to 6).

3 0
2 years ago
Read 2 more answers
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