Approximate variance of the log of the odds ratio
Use the delta methold to show that an approximate variance of the log of the odds ratio is 1/a + 1/b + 1/c + 1/d.
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68% of callers complain about service they receive from a call center. What is the probability two of the next three calls produce a complaint?
Find the k that will minimize the expected number of test
A digital thermometer employs a thermistor as the temperature-sensing element. A thermistor is a kind of semiconductor and has a large negative temperature coefficient of resistivity
What is the material removal rate in both mm^3/min and in^3/min? If you are machining an alloy steel (5140 H), what is the power requirement in kW?
Give an example of a situation when a confidence interval would be more appropriate than a point estimate.
An exothermic reaction A-->B, was carried out in dilute aqueous solution in a calorimeter. 80.0mL of deionized water was in the calorimeter and 0.24 mole of A is used.
A blender (a kitchen appliance) has blades that rotate at 7500 rpm. When the motor is turned off, the blades stop in 3 s. Find how many complete rotations (including fractions thereof) do the blades turn beore they stop.
39% percent of households say they would feel secure if they had $50,000 dollars in savings. you randomly select 8 households and ask them if they would feel secure if they had $50,000 dollars in savings.
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