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Ierofanga [76]
3 years ago
5

(3n)^3 without exponents

Mathematics
1 answer:
aniked [119]3 years ago
7 0
It will be 3n x 3n x 3n 

hope this helps
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Is the equation true,false, or open? 14+7+(-1)=21
yuradex [85]

Answer:

The Equation is False.

Step-by-step explanation:

(14+7)=21 + (-1) = 20

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According to the “guns or butter” example, if a country decides to spend more on military goods, which of the following will hap
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The answer would be A. the country will have less money to devote to consumer goods, obviously since it is investing the money in military :p the other answer choices hardly make sense
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128.34 as a mixed number in simplest form
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128.34=12817/50 THAT IS THE ANSWER FOR THIS QUESTION

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The test statistic of zequals2.32 is obtained when testing the claim that pgreater than0.3. a. Identify the hypothesis test as b
Sonja [21]

Answer:

a) We need to conduct a hypothesis in order to test the claim that the true proportion p is greatr than 0.3, so then the system of hypothesis are.:  

Null hypothesis:p \leq 0.3  

Alternative hypothesis:p > 0.3  

Right tailed test

b) p_v =P(z>2.32)=0.0102  

c) So the p value obtained was a very low value and using the significance level given \alpha=0.1 we have p_v so we can conclude that we have enough evidence to reject the null hypothesis, and we can said that at 1% of significance the proportion of interest is higher than 0.3

Step-by-step explanation:

Part a: Concepts and formulas to use  

We need to conduct a hypothesis in order to test the claim that the true proportion p is greatr than 0.3, so then the system of hypothesis are.:  

Null hypothesis:p \leq 0.3  

Alternative hypothesis:p > 0.3  

Right tailed test

When we conduct a proportion test we need to use the z statisitc, and the is given by:  

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

The One-Sample Proportion Test is used to assess whether a population proportion \hat p is significantly different from a hypothesized value p_o.

Calculate the statistic  

For this case the statistic is given by z_{calc}= 2.32

Part b: Statistical decision  

It's important to refresh the p value method or p value approach . "This method is about determining "likely" or "unlikely" by determining the probability assuming the null hypothesis were true of observing a more extreme test statistic in the direction of the alternative hypothesis than the one observed". Or in other words is just a method to have an statistical decision to fail to reject or reject the null hypothesis.  

The next step would be calculate the p value for this test.  

Since is a right tailed test the p value would be:  

p_v =P(z>2.32)=0.0102  

Part c

So the p value obtained was a very low value and using the significance level given \alpha=0.1 we have p_v so we can conclude that we have enough evidence to reject the null hypothesis, and we can said that at 1% of significance the proportion of interest is higher than 0.3

6 0
3 years ago
Use a graph to solve the equation. Check your solution.
nikklg [1K]
1) x=1
2) x=2.9
3) x=-10
4) x=?
5) IDK
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3 years ago
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