Mathematics, 22.08.2019 04:30 skyvargasov9cad
8. albert's father is 24 years older than albert is. in 8 years, his father will be twice as old as albert. how old is albert now? how old is his father?
Answers: 1
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Which problem could be solved by evaluating the expression 7×(−3)7×-3?
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Mathematics, 21.06.2019 17:00
The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?
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Mathematics, 21.06.2019 21:00
To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay
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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
8. albert's father is 24 years older than albert is. in 8 years, his father will be twice as old as...
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