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erastovalidia [21]
3 years ago
13

write an expression to describe the sequence below.Use n to represent the position of a term in the sequence, where n=1 for the

first term
Mathematics
1 answer:
pashok25 [27]3 years ago
3 0
Ez 400 pionts isi quadrant to tan x
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Absolute value hope this helps
3 0
1 year ago
According to a polling​ organization, 24% of adults in a large region consider themselves to be liberal. A survey asked 200 resp
Varvara68 [4.7K]

Answer:

z=\frac{0.375 -0.24}{\sqrt{\frac{0.24(1-0.24)}{200}}}=4.47  

Now we can calculate the p value based on the alternative hypothesis with this probability:

p_v =P(z>4.47)=0.00000391  

The p value is very low compared to the significance level of \alpha=0.05 then we can reject the null hypothesis and we can conclude that the true proportion of people liberal is higher than 0.24

Step-by-step explanation:

Information given

n=200 represent the random sample taken

X=75 represent the number of people Liberal

\hat p=\frac{75}{200}=0.375 estimated proportion of people liberal

p_o=0.24 is the value that we want to test

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to verify if the true proportion of adults liberal is higher than 0.24:

Null hypothesis:p \leq 0.24  

Alternative hypothesis:p > 0.24  

The statistic is given by:

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

Replacing the info given we got:

z=\frac{0.375 -0.24}{\sqrt{\frac{0.24(1-0.24)}{200}}}=4.47  

Now we can calculate the p value based on the alternative hypothesis with this probability:

p_v =P(z>4.47)=0.00000391  

The p value is very low compared to the significance level of \alpha=0.05 then we can reject the null hypothesis and we can conclude that the true proportion of people liberal is higher than 0.24

6 0
3 years ago
This is 8th grade math.
Mrrafil [7]
X = 1 , y = - 2


Hope this helped
4 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Csqrt%7B169" id="TexFormula1" title="\sqrt{169" alt="\sqrt{169" align="absmiddle" class="lat
PtichkaEL [24]

Answer:

Step-by-step explanation:

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2 years ago
Which function has an inverse that is a function?
statuscvo [17]

Answer:

i aint never seen two pretty bestfriends

Step-by-step explanation:

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3 years ago
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