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Boltzmann's constant is 1.38066×10-23 J/K, and the universal gas constant is 8.31451 J/K · mol. If 1.5 mol of a gas is confined to a 6.8 L vessel at a pressure of 10.4 atm, what is the average kinetic energy of a gas molecule? Answer in units of J.
Hydrogen gas is composed of molecules with a molecular weight of 2. A sample of this gas obeys the ideal-gas law. What must the temperature be so that the average of the square of the velocity is (4 km/h)2 ; i.e., approximately walking speed? mp = 1.67262 × 10-27 kg and k = 1.38065 × 10-23 N m/K . Answer in units of K.
Suppose the weights of pucks produced at a factory are normally distributed with a mean of 5.75 ounces and a standard deviation of .11 ounce. What percentage of the pucks produced at this factory cannot be used by the National Hockey League?
Correct answerThe "average" amount of error expected in predictions The number of cases that have a non-zero residual The strength of the correlation between X and Y
how do you find chi square left and chi square right using the ti-84 plus given that you know the confidence level
When thinking of family violence, what is the role of alternate corrections systems?
Explain why the allocation that would occur if consumers could costlessly resell a good is the same as the allocation from efficient rationing.
Air enters a household electric furnace at 75°F, 1 atm, with a volumetric flow rate of 800 ft3/min. The furnace delivers air at 120°F, 1 atm to a duct system with three branches consisting of two 6-in.-diameter ducts and a 12-in.
Standard deviation versus standard error. Explain the difference between the standard deviation of a sample and the standard error of a statistic such as the sample mean.
The manager of a local gym has determined that the length of time patrons spend at the gym is a normally distributed variable with a mean of 80 minutes.
q1.a multiple-choice test consists of 12 questions with 4 possible answers to each question. in how many ways can the
Perform a calculation for the mean deviation for each of the weight sets using the following 2 treatment data set for the following group of eight people. Perform a calculation for the standard deviation for each group above, using a given data set
Find the mean and median of the salaries of all shortstops. Are any of these measures influenced significantly by one or more unusual observations
the statistical procedure ensures that the alpha level for any given planned contrast will not exceed .05
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