Solve the system by substitution.
{y=3x-1
y=-4x+20...
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Mathematics, 22.06.2019 01:30
Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?
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Mathematics, 22.06.2019 03:30
Is a triangle with sides of length 6ft, 21 ft, 23 ft. a right triangle?
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