What is the null hypothesis
Ben claims that the average price of the car wash in West Newton is more than $6.00. A sample of five car washes has average price of $6.60 and standard deviation of $1.10. At alpha = 0.05, test Ben's claim. What is the null hypothesis?
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A random sample of 100 adults was chosen. 80 adults in the sample said they were non-smokers. Develop a 95 percent confidence interval for the population proportion, p, of non-smokers.
Discuss the efficiency of elution process to separate cations and anions in solutions which are having the Na, Cu, CrO4, & Cl and suggest how the separation can be improve?
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Write down the nuclear reaction of the bombardment of beryllium-9 by an alpha particle, producing the carbon 12 and a particle uranium239 can be produced by the bombardment of uranium 238.
A 0.8870-g sample of a mixture of KCl and NaCl is dissolved in the water, and the solution is then treated with an excess of AgNO3 to yield 1.822g of AgCl. Determine the percent by mass of each compound in the mixture
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Determine how many grams of CO are produced at 298 K? At 1000 k if excess C is allowed to react with 25.0 g of CO_2 in a 3.00-Lflask.
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