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Trava [24]
3 years ago
6

Julian is a teaching assistant at a local community college. A tutor at the same college works the same hours as Justin but earn

s 15,000 less annually. The sum of of Justin’s annual salary and the titor’s salary is 102,000. How much does each earn
Mathematics
1 answer:
mafiozo [28]3 years ago
3 0
The equation for this would be 2x+15000=102,000
2x=87000
x=43500
julian makes 58500
and tutor makes 43500
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Step-by-step explanation:

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he has 4 presents left


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4 years ago
What is the answer and plz explain
bagirrra123 [75]

Answer:

36 squared units

Step-by-step explanation:

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8 0
3 years ago
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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} } }

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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
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