Determine the equation of the graph and select the correct answer (-4,-1)
1 answer:
Answer:
(-4,-1)
Step-by-step explanation:
Assuming the graph is the one shown in the attachment.
The forward sloping line has a slope of 1 and a y-intercept of 3.
The equation of this line is y=x+3
The horizontal line has a slope of 0 and y-intercept of -1.
It's equation is y=-1
The two lines intersect at (-4,-1)
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Answer: 208
Step-by-step explanation:
Given : An advertising company wishes to estimate the population mean of the distribution of hours of television watched per household per day.
Standard deviation :
Margin of error :
Significance level :
Critical value :
The formula to calculate the sample size is given by :-
Hence, the minimum required sample size must be 208.