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Arturiano [62]
3 years ago
12

Need help ASAP please

Mathematics
2 answers:
Likurg_2 [28]3 years ago
7 0

Answer:

y=-6/5x - 1

Step-by-step explanation:

Slope intercept form is y=mx+b so first lets get it into correct order by subtracting the 6x to the other side.

6x-6x+5y=-5-6x

This gives you

5y=-6x-5

Now you need to isolate the y since the 5 is being multiplied by the variable "y" we need to divide to to separate. Divide all terms by 5.

5y/5=-6/5x+(-5)/5

This gives you your final answer:

y=-6/5x - 1

kolezko [41]3 years ago
7 0

Answer:

y= -6/5x +1

Step-by-step explanation:

6x + 5y=5      move variable to right and change the sign

5y =-5 -6x        divide both sides by 5...

5y/5 = -5-6x/5

y= -1 -6/5x           reorder terms (when yo do you need to change the sign

                          so the -1 becomes a positive 1.....thats using the communitive

                           property to reorder terms        

5= -6/5x+1          

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A

Step-by-step explanation:

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A consulting firm had predicted that 35% of the employees at a large firm would take advantage of a new company Credit Union, bu
m_a_m_a [10]

Answer:

a) 0.4770

b) 3.9945

c) z-statistics seem a large value

Step-by-step explanation:

<u>a. Find the standard deviation of the sample proportion based on the null hypothesis</u>

Based on the null hypothesis:

p_{0}: 0.35

and the standard deviation σ = \sqrt{p_{0} *(1-p_{0}) } =\sqrt{0.35 *0.65 } ≈0.4770

<u>b. Find the z statistic</u>

z-statistic is calculated as follows:

z=\frac{X-p_{o} }{\frac{s}{\sqrt{N} } } where

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  • p_{0} is the proportion in null hypothesis (0.35)
  • s is the standard deviation (0.4770)
  • N is the sample size (300)

putting the numbers in the formula:

z=\frac{0.46-0.35} }{\frac{0.4770}{\sqrt{300} } } = 3.9945

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z-statistics seem a large value, which will cause us to reject the null hypothesis.

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