Mathematics, 22.10.2019 23:30, birdman2540
The ohio department of agriculture tested 203 fuel samples across the state in 1999 for accuracy of the reported octane level. for premium grade, 14 out of 105 samples failed. (they did not meet the astm specification and the ftc octane posting rule.) how many samples would be needed to create a 99 percent confidence interval that is within 0.02 of the true proportion of premium grade fuel-quality failures?
Answers: 2
Mathematics, 21.06.2019 15:50, uehlingt39
Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20
Answers: 2
Mathematics, 21.06.2019 16:10, monique69
In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?
Answers: 3
The ohio department of agriculture tested 203 fuel samples across the state in 1999 for accuracy of...
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