Study of the color preferences of new car buyers
A resercher wishes to conduct a study of the color preferences of new car buyers. Suppose 40% of this population perfers the color green.
If 12 buyers are randomly selected, what is the probability that exactly 7 buyers would perfer green?
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Sodium hydroxide solution is usually standardized by titrating apure sample of potassium hydrogen phthalate (KHP), an acid with oneacidic hydrogen and a molar mass of 204.22 g.
The dean has released data on the gpa of 1000 students. He says that 85% have a gpa of 3.2 or above. The median was also 3.2 and the standard deviation was .3 and the average gpa was 3.4. Please comment
A compressed gas cylinder contains 1 x 103 g of argongas. The pressure inside the cylinder is 1961 psi (pounds persquare inch) at temperatiour of 19oC.
Assuming a normal distrubution of yield strengths. Find the number of standard deveations that corresponds to this failure rate.
A resercher wishes to conduct a study of the color preferences of new car buyers. Suppose 40% of this population perfers the color green. If 12 buyers are randomly selected, what is the probability that exactly 7 buyers would perfer green?
The researchers found a significant difference between the two groups (control and treatment) for change in mobility of the women with osteoarthritis (OA) over 12 weeks with the results of F(1, 22) = 9.619, p = 0.005. Discuss each aspect of these
A solid stainless steel cylindrical rod has a 1.5 inchdiameter. The density of stainless steel is 7.70 g/cm^3. If a metalworker needs a 2.00 kg piece of stainless steel, how long a section must he cut off the rod?
A 16.5-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 83.5 N and is directed at an angle of 30.0° above the horizontal. Determine the coefficient of kinetic friction.
Some electronics are mounted in an enclosure with dimensions of 9 X 16 X 22 cm. Determine the mass rate of flow (kg/s) and the volumetric flow rate (m3/s).
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