Students are going to pass the exam
The probability that a student will pass an exam is 0.8. If we consider a group of 20 students, what is the probability that the majority (that is more than half) of the students are going to pass the exam?
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The steam expands through the first turbine stage to 0.7 Mpa and then is reheated to 480 C. The condenser pressure is 6 kPa. Determine the following the heat added in the boiler (kJ/kg).
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