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nirvana33 [79]
3 years ago
12

3. List all the coefficients and constants

Mathematics
1 answer:
7nadin3 [17]3 years ago
5 0
The coefficient is 4
The constants are 2 and 3
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48% of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually
oksian1 [2.3K]

Answer:

There is no sufficient evidence to support the executive claim

Step-by-step explanation:

From the question we are told that

     The  population proportion is  p =  0.48

      The  sample proportion is  \r p  =  0.45

       The sample  size is  n  =  300

       The  level of significance is \alpha  =  0.02

The null hypothesis is  H_o  :  p=  0.48

The  alternative hypothesis is  H_a  :  p \ne  0.48

   Generally the test statistics is mathematically evaluated as

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

=>        t =  \frac{0.45   -  0.48   }{ \sqrt{ \frac{0.48 (1 -  0.48 )}{300} } }

=>       t =  -1.04

The  p-value is mathematically represented as

     p-value  =  2P(z  >  |-1.04|)

Form the z-table  

                 P(z  >  |-1.04|)  =   0.15

=>   p-value  =  2 * 0.15

=>   p-value  = 0.3

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

   Hence we can conclude that there is no sufficient evidence to support the executive claim

5 0
3 years ago
What is x^2+x-20=0. <br> please help
zepelin [54]
X² + x - 20 = 0

x² = x * x
x = the sum of the factors of -20
-20 ⇒  1 x 20
            2 x 10
          - 4 x 5 ⇒ only these factors can arrive to a sum of 1

(x - 4)(x + 5) = x(x+5) - 4(x+5) = x² + 5x - 4x - 20 = x² + x - 20

x - 4 = 0
x = 4

x + 5 = 0
x = -5
7 0
4 years ago
Write in point slope form from an equation of the line that passes through the point (3,0) with a slope of 2/3
Snezhnost [94]

Answer:

y - 0 = \frac{2}{3}(x - 3)

Hope this helps! :) Hope this Helps!

Plz Give Brainliest!

6 0
3 years ago
Read 2 more answers
Tính giá trị 2a+ 3=? với a=1
MrRissso [65]

Answer:

No te puedo entender lo siento

4 0
3 years ago
Given the conditional statement below, what is the hypothesis? If you do your homework, then you will pass.​
Zolol [24]

Answer:

The hypothesis is that by doing your homework for the class you will pass

Step-by-step explanation:

If you do your homework, you will pass the class

4 0
3 years ago
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