2 years ago

PLEASEEE HELPPP ME PLSSSSS

Mathematics

2 answers:

nikitadnepr [17]2 years ago

8 0

y=-5x+5 is the correct answer in clever

babymother [125]2 years ago

7 0

Answer:

y = -5x +5

Step-by-step explanation:

slope = (15 - -5)/(-2 - 2) = 20/-4 = <u>-5</u>

y int = 5

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3 years ago

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2 years ago

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jok3333 [9.3K]

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3 years ago

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Step-by-step explanation:

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3 years ago

Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune tellers. Use a 0.02 margin of er

Brrunno [24]

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Step-by-step explanation:

Formula to find the sample size n , if the prior estimate of the population proportion(p) is known:

$n= p(1-p)(\dfrac{z^*}{E})^2$ , where E= margin of error and z* = Critical z-value.

Let p be the population proportion of adults have consulted fortune tellers.

As per given , we have

p= 0.20

E= 0.02

From z-table , the z-value corresponding to 98% confidence interval = z*=2.33

Then, the required sample size will be :

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3 0

3 years ago