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Lilit [14]
2 years ago
10

Can someone help meeeeee???

Mathematics
2 answers:
kobusy [5.1K]2 years ago
8 0
The graph is not proportional because it doesn’t go though the origin aka (0,0)
strojnjashka [21]2 years ago
3 0

No it isn't Proportional

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Based on information from Harper’s Index, 37% of adult Americans believe in Extraterrestrials. Out of a random sample of 100 adu
san4es73 [151]

Answer:

z(s)  is in the rejection zone , therefore we reject H₀

We have enough evidence to claim the proportion of individuals who attended college and believe in extraterrestrials is bigger than 37%

Step-by-step explanation:

We have a prortion test.

P₀  =  37 %         P₀  = 0,37

sample size  =  n  =  100

P sample proportion   =   P  = 47 %        P  =  0,47

confidence interval  95 %

α  =   0,05  

One tail-test  (right tail) our case is to show if sample give enough information to determine if proportion of individual who attended college is higher than the proportion found by Harper´s index.

1.-Hypothesis:

H₀      null hypothesis                        P₀  =  0,37

Hₐ  alternative hypothesis                P₀  >  0,37

2.-Confidence interval 95 %

α  =   0,05        and    z(c)  =  1.64

3.-Compute of z(s)

z(s)  =  [  P  -  P₀  ]  /√(P₀Q₀/n) ]  

z(s)  =  [ (  0,47  -  0,37  ) /  √0.37*0,63/100

z(s)  = 0,1 /√0,2331/100     ⇒   z(s)  = 0,1 /0,048

z(s)  = 2.08

4.-Compare  z(s)   and  z(c)

z(s) > z(c)        2.08  > 1.64

5.-Decision:

z(s)  is in the rejection zone , therefore we reject H₀

We have enough evidence to claim the proportion of individuals who attended college and believe in extraterrestrials is bigger than 37%

5 0
3 years ago
How do i find the weight
Alla [95]
Convert it then you will fine the weight.
4 0
3 years ago
What is 1/4 of 12????????
Rzqust [24]

Answer:

3

Step-by-step explanation:

12 divided by 4 is 3. Therefor 1/4 of 12 is 3.

4 0
3 years ago
Read 2 more answers
PLZ HELP FOR BRAINLIEST!!!
natali 33 [55]

Inputs are the first number output is the second. So youre outputs are 2, -1, -1, and 3. so i would say b

5 0
2 years ago
Read 2 more answers
Estimate 39 x 52 divided by 3.8 x 4.9
fomenos
 estimate = (40 * 50) / (4 * 5)
  
=  2000 / 20  = 100 (answer)
7 0
3 years ago
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