Calculate the person-time incidence rate
A prospective cohort study showed that 200 new cases of disease X occurred in 2,000 person-years. Calculate the person-time incidence rate and 95% confidence interval? Please show work.
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You apply an ac voltage that peaks at 60.0 V and observe, using an oscilloscope, that the resonance frequency occurs at 51900 s-1. What is the inductance of the inductor in millihenrys?
A block weighing 100 lbf sits on a 20º inclined surface. The coefficients of static and dynamic (kinetic) friction are 0.5 and 0.3 respectively. A force F = 10 t lbf is applied where t is in seconds
What is the maximum current when the circuit is at resonance, if the amplitude of the (ac) voltage is 48.0 V
A steam power plant operates on a simple ideal Rankine cycle between the pressure limits of 3MPa and 50kPa. The temperature of the steam at the turbine inlet is 400'C and the mass flow rate of steam through the cycle is 60kg/s.
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According to an airline, a particular flight is on time 95% of the time. Suppose 17 flights are randomly selected and the number of on time flights is recorded.
The water is then heated in a constant volume process until its temperature is 300 degrees celcius. Find the initial specific volume, and specific internal energy of the water in the container.
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The terminal cisternae are part of: Group of answer choices the sarcolemma the sarcomere the sarcoplasm the sarcoplasmic reticulum.
High levels of Na inside the muscle fibers: Group of answer choices speeds up cell respiration will cause spontaneous muscle contractions
Which of the following crops in the United States needs about nearly 2 million managed honey bee colonies for pollination?
Question: Which of the following is not true about insect-pollinated flowers? Need Assignment Help?
Explain what epigenetic mean and Maternal mental health problems (especially depression and anxiety) are linked to epigenetic changes
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Of all the hypotheses explored to explain why primates emerged in evolutionary history, which is most accepted by scientists and students in the field