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Mathematics, 21.06.2019 12:30
Which of the following could be the graph of the equation y = -2x + 5
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Mathematics, 21.06.2019 13:00
225/100 of last years cost. write each fraction as a decimal and as a percent
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Mathematics, 21.06.2019 23:30
Write the percent as a fraction or mixed number in simplest form. 0.8%
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Mathematics, 22.06.2019 04:30
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
Translate and solve: 58% of what number is 145?...
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