3 years ago

Help with Functions please

1 answer:

5 0

Your answer would be y=2x+1 because if you get the x and multiply the x by 2 then add 1 you get the y

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Kaylis [27]

Answer: 95% confidence interval = 20,000 ± 2.12 $\times$ $\frac{1500}{\sqrt{17} }$

( 19228.736 , 20771.263 ) OR ( 19229 , 20771 )

Step-by-step explanation:

Given :

Sample size(n) = 17

Sample mean = 20000

Sample standard deviation = 1,500

5% confidence

∴ $\frac{\alpha}{2}$ = 0.025

Degree of freedom ( $d_{f}$ ) = n-1 = 16

∵ Critical value at ( 0.025 , 16 ) = 2.12

∴ 95% confidence interval = mean ± $Z_{c}$ $\times$ $\frac{\sigma}{\sqrt{n} }$

Critical value at 95% confidence interval = 20,000 ± 2.12 $\times$ $\frac{1500}{\sqrt{17} }$

( 19228.736 , 20771.263 ) OR ( 19229 , 20771 )

3 0

3 years ago

spin [16.1K]

Answer:

wheres the expression

Step-by-step explanation:

6 0

3 years ago

Anettt [7]

5 yellow marbles out of total of 17 marbles so 5/17

3 0

3 years ago

timofeeve [1]

Answer:
I think the answer is (2) y=<=3x-1

3 0

3 years ago

Alexxandr [17]

X-7 is the rule. n is 21

4 0

3 years ago