Mathematics, 27.06.2019 07:30 daevinepetersopa86on
Calcule o valor de x nos casos abaixo, sabendo que y = 3. a) 7x + 2y + x + 2y = 0 b) 2x + 3y - x + 3x = 5 c) 1/3x + 1/5y = 0 d) 1/2x + 1/3x + 1/4y = 2 e) 0,25x - 0,30x - 0,35x + 1,2y = 2 f) 0,25x - 0,3y - 0,35y + 1,20y = 0 alguém consegue me ajudar com esses exercícios por favor?
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Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.
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The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to
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Calcule o valor de x nos casos abaixo, sabendo que y = 3. a) 7x + 2y + x + 2y = 0 b) 2x + 3y - x + 3...
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