Randomly selected adult
Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15. Find the probability that a randomly selected adult has an IQ less than 124.
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The lifetime of one of DotCom's electronic equipment has a mean of 400 hours and standard deviation of 400 hours. They have been assuming lifetime is normally distributed. What is the probability that equipment operates for more than 500 hours bef
Room B has 1.5 kg air at 20 degrees celsius, both rooms at 100 kPa. Heat transfer between A and B creates a final uniform temperature. What is the final temperature?
The tube has no external heat transfer and no koving parts, hence no work and all the flows are steady and have negligible kinetic energy. Find the fraction of the inlet flow that comes out at 0 degrees Celsius.
The steam is at 2 MPa and 400 C at the inlet. The steam pressure at the outlet is 100 KPa. Determine the specifi enthalpy at the inlet (KJ/Kg)
Calculate the appropriate disease frequency rate. Show your work. The cumulative incidence rate in a population of 100,000 people where 9 new cases of disease were reported within 1 year.
One kilogram of water contained in a piston-cylinder assembly, initially at 160oC, 150 kPa determine heat transfer,work, change in entholpy and P-V diagram.
The prevalence of a health condition is the existing number of cases of that condition in the population. State whether the factors listed below are likely to increase or decrease the prevalence of a health condition and Explain your reasoning.
Eight of these patients did lose weight but three patients had a weight increase.To test whether the diet is successful (i.e., post weight is lower than pre-weight) using post weight-pre-weight, state the appropriate null and alternative hypotheses
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