Heinz,Pepsi,Coca-Cola,Kitkat
Answer:
confidence level is missing
Step-by-step explanation:
<em>1.confidence level </em>
The results can be given only in a predetermined confidence level
<em>2. point estimate</em>
The illustration states the estimate 26% of the professionals who interview job applicants said the biggest interview turnoff is that the applicant did not make an effort to learn about the job or the company.
<em>3.sample size</em>
Sample size is given as 1910 people
<em>4.confidence interval </em>
Confidence interval is given ±3 around the point of estimate
Answer:

Step-by-step explanation:
Given


Required

First, we calculate the z score






So:


From z probability, we have:

value of x =-4 and value of y=-3
(-4,-3) is the solution of system of equations.
Step-by-step explanation:
We need to solve the system of equations

Rearranging:

Multiply eq(2) with 3 and subtract eq(2) from eq(1)

Putting value of x = -4 into eq(1)

So, value of x =-4 and value of y=-3
(-4,-3) is the solution of system of equations.
Keywords: system of equations.
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