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LUCKY_DIMON [66]
3 years ago
14

What is the point of intersection when the system of equations below is graphed on the coordinate plane? (1, –3) (–1, 3) (1, 3)

(–1, –3)
Mathematics
2 answers:
Ainat [17]3 years ago
5 0

( - 1 - 3)
it's lower
Lubov Fominskaja [6]3 years ago
5 0

Answer:(-1,3)

Step-by-step explanation:

Correct answer

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What is 2x8 and why is this app making me do this?
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Answer:

16

Step-by-step explanation:

i have no idea

well

8 * 2 = 16 just as

4 * 4 = 16

hope this helps:)

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The following table shows the working populations, average salaries, and income tax rates of France and Ger
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a.

The French government gathers €85,930,190,677 more than the German government

Step-by-step explanation:

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What is the mean absolute deviation of 10 16 18 15 15 10 23
grigory [225]
The answer is 3.1428 (very close to π actually lol)



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He height of Niagara Falls is 56 meters. How many<br> kilometers high is Niagara Falls?
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Step-by-step explanation:

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3 years ago
A person purchased a slot machine and tested it by playing it 1,137 times. There are 10 different categories of outcomes, includ
ivann1987 [24]

Answer:

p_v= P(\chi^2_{9}>11.517)=0.2419

And on this case if we see the significance level given \alpha=0.1 we see that p_v>alpha so we fail to reject the null hypothesis that the observed outcomes agree with the expected frequencies at 10% of significance.

Step-by-step explanation:

A chi-square goodness of fit test determines if a sample data obtained fit to a specified population.

p_v represent the p value for the test

O= obserbed values

E= expected values

The system of hypothesis for this case are:

Null hypothesis: O_i = E_i[/tex[Alternative hypothesis: [tex]O_i \neq E_i

The statistic to check the hypothesis is given by:

\chi^2 =\sum_{i=1}^n \frac{(O_i -E_i)^2}{E_i}

On this case after calculate the statistic they got: \chi^2 = 11.517

And in order to calculate the p value we need to find first the degrees of freedom given by:

df=n-1=10-1=9, where k represent the number of levels (on this cas we have 10 categories)

And in order to calculate the p value we need to calculate the following probability:

p_v= P(\chi^2_{9}>11.517)=0.2419

And on this case if we see the significance level given \alpha=0.1 we see that p_v>alpha so we fail to reject the null hypothesis that the observed outcomes agree with the expected frequencies at 10% of significance.

6 0
3 years ago
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