Mathematics, 10.02.2021 19:30 yeetmaster7688
In the coordinate plane, D'E'F'G' is the image of parallelogram DEFG after a dilation with a scale factor of 4 centered at the origin. The area of D'E'F'G' is 72 square units. What is the area of DEFG?
Answers: 1
Mathematics, 21.06.2019 13:30, terryg4397
After two years, how much has been paid into interest?
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Mathematics, 22.06.2019 04:30, RichardKing2376
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t. inv.2t to find the value of t for the interval calculation.
Answers: 1
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