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A well-insulated turbine operating at steady state develops 10 MW of power for a steam flow rate of 20 kg/s. The steam enters at 300 degreeC with a velocity of 25 m/s and exits as saturated vapor at 0.05 bar with a velocity of 90 m/s. Neglecting potential energy effects, determine the inlet pressure, in bar.
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02.
A surgical technique is performed on eight patients. You are told that there is an 80% chance of success.
What is the probability that a typical family will purchase and at least 3 tubes of toothpaste in any given month?
Each subject's heart rate, blood pressure, oxygen uptake, and perceived exertion during snow removal were compared with the values obtained during treadmill and arm- crank ergometer testing.
A club has twenty members aged twenty. What are the chances that at least one fourth of them will die before their 65th birthdays?
The makers of a soft drink want to identify the average age of its consumers. A sample of 16 consumers is taken. The average age in the sample was 22.5 years with a standard deviation of 5 years.
A psychologist has designed a questionnaire to measure individuals' aggressiveness. Assume that the scores on the questionnaire are normally distributed with a standard deviation of 80.
A pharmaceutical company conducted study to evaluate the effectiveness and safety of new inhaled form of insulin for treatment of diabetes. A group of 650 diabetics was given the drug twice a day, while another group of 650 diabetics was given an ..
suppose there are two random variables x and y distributed uniformly over -2ltxlt2 and 0ltylt1. determine
Determine standard normal area for each of the following: Standard normal area P(1.22
Psychological test. For the sample data, n = 50,mean = 17.3 and S.D = 5.4.USE level of significance = .05. Complete hypotheses testing using P value approach.
Fred, on the other hand, has opted to administer to his cat, Heisenberg, Dr. Zelinski's Is Your Cat Smarter Than This Rock?
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