Average number of years of service
At the large department store, the average number of years of service was 13.5 with a standard deviation of 6.2 years. If an employee is picked at random, what is the probability that the employee has worked for the company between 6 and 16 years?
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? Create appropriate data that can be used in part (c). Explain what procedures are needed to obtain these data?
A poll stated that 32% of those polled think the economy is getting worse. An economist wanted to check this claim so she surveyed 750 people and found that 30% of them thought the economy is getting worse. What is the test value?
The buckets hold seven gallons and three gallons of water, respectively. How to get exactly five gallons of water to take home?
A commercial carbonated soft drink is bottled at a temperature of 20 C so that the beverage contains CO2 gas at a pressure of 6.5 atm over the liquid.
Calculate the osmotic pressure of human blood at 37 C. Assume the blood is isotonic with a 0.16 M NaCl solution, and assume the van't Hoff factor i is 1.9 for NaCl.
The boiling point of pure benzene is 80.10 o C, whereas the solution has a boiling point of 80.34 oC. Anthracene, a hydrocarbon obtained from coal, has an empirical formula of C7H5.
If you place 2.05 g of aluminum in a beaker with 185 mL of1.35 M KOH, will any aluminum remain (show all calculations). What mass of KAl (OH)4 is formed?
In the typical landing, the jet touching down at 240km/h is stopped in the distance of 95m. Find magnitude of jet's acceleration as it is brought to rest? How much time landing takes?
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