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OlgaM077 [116]
2 years ago
8

Find the missing side of each triangle. Round your answers to the nearest 2 points tenth if necessary 8 6. X

Mathematics
1 answer:
notsponge [240]2 years ago
5 0

Answer:

vwgshsbbdbdbgsgsvbshdbzvbzvzvz vs vs zvjdnbsndjjshshhshshbhbbsnsndbbdbdbdbdbbdbdbdbbdbdbsnjehhebejdjhshhdhehsbjsg...bsbbsbshhshs

hshhehebehhejeksjjsjaj

bhehgshz

dbshbsbbbhhghhbgqshjsudhebrhdhdhndksgwtsh

svvsbsbsbbshsbsggeggsg

Step-by-step explanation:

vwgshsbbdbdbgsgsvbshdbzvbzvzvz vs vs zvjdnbsndjjshshhshshbhbbsnsndbbdbdbdbdbbdbdbdbbdbdbsnjehhebejdjhshhdhehsbj

sg...bsbbsbshhshshshhehebehhejeksjjsjaj

bhehgs

hzbdbshbsbbbhhghhbgqshjsudhebrhdhdhndksgwtshsvvsbsbsbbshsbsggeggsg

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The number of events is 29​, the number of trials is 298​, the claimed population proportion is​ 0.10, and the significance leve
Nina [5.8K]

Answer:

z=\frac{0.0973 -0.1}{\sqrt{\frac{0.1(1-0.1)}{298}}}=-0.155  

p_v =2*P(Z  

And we can use excel to find the p value like this: "=2*NORM.DIST(-0.155;0;1;TRUE)"

So the p value obtained was a very high value and using the significance level given \alpha=0.05 we have p_v>\alpha so we can conclude that we have enough evidence to FAIL to reject the null hypothesis, and we can said that at 5% of significance the proportion of interest is not significantly different from 0.1 .  

Step-by-step explanation:

1) Data given and notation

n=298 represent the random sample taken

X=29 represent the events claimed

\hat p=\frac{29}{298}=0.0973 estimated proportion

p_o=0.1 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)  

2) Concepts and formulas to use  

We need to conduct a hypothesis in order to test the claim that the proportion is 0.1 or no.:  

Null hypothesis:p=0.1  

Alternative hypothesis:p \neq 0.1  

When we conduct a proportion test we need to use the z statistic, 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.

3) Calculate the statistic  

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

z=\frac{0.0973 -0.1}{\sqrt{\frac{0.1(1-0.1)}{298}}}=-0.155  

4) 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 bilateral test the p value would be:  

p_v =2*P(Z  

And we can use excel to find the p value like this: "=2*NORM.DIST(-0.155;0;1;TRUE)"

So the p value obtained was a very high value and using the significance level given \alpha=0.05 we have p_v>\alpha so we can conclude that we have enough evidence to FAIL to reject the null hypothesis, and we can said that at 5% of significance the proportion of interest is not significantly different from 0.1 .  

We can do the test also in R with the following code:

> prop.test(29,298,p=0.1,alternative = c("two.sided"),conf.level = 1-0.05,correct = FALSE)

7 0
2 years ago
How can the order of operations be used to simplify expressions? Create your own unique example showing order of operations.
Lostsunrise [7]
10(13+12)=x thats a good one
4 0
3 years ago
Use the tables to complete the statements,
Blababa [14]

Answer:

Short term Capital gain and $1200

Step-by-step explanation:

Any investment held under a year falls under short term capital gain

5,000 X 0.24 = 1,200

6 0
2 years ago
PLEASE HELP! DUE TONIGHT
Bezzdna [24]

Answer:

The answer is B

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
On Saturday, 45% of the music Brianna listened to was country songs. She listened to 27 country songs on Saturday. How many song
Arte-miy333 [17]

Answer:

60 songs.

Step-by-step explanation:

The percentages there are an equal sign so

0.45x=27

x=60

So Brianna listened to 60 songs!

5 0
2 years ago
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