Pind the area and the perimeter for the following polygon, 7.28 ft
9 ft
15 ft
12 ft
Find the Area AND Perimeter of the composite shape,
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099 05.01

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean