A School flag consist of three rectangular sections that each have a different color in the diagram x represents the width of th
e green section in inches.
Write an expression to represent the area of the flag as the sum of the areas of each section.
Write an expression to represent the area of the flag as the sum of the areas of each section.
2 answers:
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Answer:
And the 96% confidence is given by (110.06; 117.34)
Step-by-step explanation:
Information given
represent the sample mean
population mean (variable of interest)
s=9.1 represent the sample standard deviation
n=29 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom are given by:
The Confidence is 0.96 or 96%, the significance is and
, and the critical value would be
Replacing the info we got:
And the 96% confidence is given by (110.06; 117.34)