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Ilia_Sergeevich [38]
3 years ago
15

What is the next fraction in this sequence? Simplify your answer. 5/9, 9/36, 1/2 , 17 /36

Mathematics
1 answer:
frez [133]3 years ago
8 0
I think it’s 1/2 but i’m not for sure
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Answer:

0.804

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8 0
3 years ago
A sample of 1500 computer chips revealed that 37% of the chips fail in the first 1000 hours of their use. The company's promotio
andreyandreev [35.5K]

Answer:

z=\frac{0.37 -0.39}{\sqrt{\frac{0.39(1-0.39)}{1500}}}=-1.59  

Step-by-step explanation:

Data given and notation

n=1500 represent the random sample taken

\hat p=0.37 estimated proportion of of chips fail in the first 100 hours

p_o=0.39 is the value that we want to test

\alpha represent the significance level

z would represent the statistic (variable of interest)

p_v represent the p value (variable of interest)  

Concepts and formulas to use  

We need to conduct a hypothesis in order to test the claim that  the actual percentage that fail is different from the stated percentage. Find the value of the test statistic.:  

Null hypothesis:p=0.39  

Alternative hypothesis:p \neq 0.39  

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  

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

z=\frac{0.37 -0.39}{\sqrt{\frac{0.39(1-0.39)}{1500}}}=-1.59  

3 0
3 years ago
Write (3 ten thousands 4 hundreds) x10
umka2103 [35]
30400x10 that's the answer
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3 years ago
A cell phone plan has a monthly cost that is shown in the table below. What is the correct statement regarding the average rate
FromTheMoon [43]
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5 0
3 years ago
(2/5) to the power of 2
Artemon [7]

Answer:

4/25 or 0.16

Step-by-step explanation:

2/5 ^ 2 = 4/25

2/5 x 2/5 = 4/25 or 0.16

3 0
2 years ago
Read 2 more answers
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