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Answer:
<h2>The x-interecepts are 5.6 and -1.4, approximately.</h2>Step-by-step explanation:
The given equation is
Where ,
and
, let's use the quadratic formula
Therefore, the x-interecepts are 5.6 and -1.4, approximately.
Answer:
The test statistics is
The p-value is
Step-by-step explanation:
From the question we are told
The West side sample size is
The number of residents on the West side with income below poverty level is
The East side sample size
The number of residents on the East side with income below poverty level is
The null hypothesis is
The alternative hypothesis is
Generally the sample proportion of West side is
=>
=>
Generally the sample proportion of West side is
=>
=>
Generally the pooled sample proportion is mathematically represented as
=>
=>
Generally the test statistics is mathematically represented as
=>
=>
Generally the p-value is mathematically represented as
From z-table
So