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horrorfan [7]
3 years ago
7

Required 1. Rewrite in slope-intercept form. * - 7x + 2y = 8

Mathematics
1 answer:
djverab [1.8K]3 years ago
7 0

Answer:

y = \frac{7}{2} x + 4

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c

Given

- 7x + 2y = 8 ( add 7x to both sides )

2y = 7x + 8 ( divide all 3 terms by 2 )

y = \frac{7}{2} x + 4 ← in slope- intercept form

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Answer:

A

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B

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D

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Step-by-step explanation:

From the question we are told that

    The  sample size is  n  =  232

    The  number that developed  nausea  is X =  50

    The population proportion is  p  =  0.20  

 

The  null hypothesis is   H_o : p  =  0.20

The  alternative hypothesis is  H_a :  p > 0.20

Generally the sample proportion is mathematically represented as

     \r p  =  \frac{50}{232}

     \r p  =  0.216

Generally the test statistics is mathematically represented as

 =>           t =  \frac{\r p  -  p }{ \sqrt{ \frac{p(1- p )}{n} } }

=>           t =  \frac{ 0.216 - 0.20 }{ \sqrt{ \frac{ 0.20 (1- 0.20 )}{ 232} } }

=>        t =  0.6093

The  p-value obtained from the z-table is

       p-value  =  P(Z >  0.6093) =  0.27116

  Given that the  p-value >  \alpha  then we fail to reject the null hypothesis

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Step-by-step explanation:

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