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The engine capacity (in litres) and the fuel efficiency (in miles per gallon) of a random sample of 10 petrol-driven cars are:
(a) Determine the regression equation and test the hypothesis that the population slope is zero using a 1% level of significance.
(b) Construct a 99% confidence interval for the mean fuel efficiency of cars with an engine capacity of 1.8 litres.
(c) Construct a 99% prediction interval for the fuel efficiency of a single car with an engine capacity of 1.8 litres.
What can be done to mitigate the effect of tunnelling across gate oxides in integrated microelectronics?
History of oil and gas filed corrosion by hydrogen sulphide on carbon steel a. Pitting formation
What is element X? Propose a name for H2X? To completely neutralize a sample of H2X, 35.6 mL of 0.175 M OH solution was required. What was the mass of the H2X sample used?
A vapor of titanium isopropoxide (partial pressure = 133 pascal) is reacted in O2 rich CH4 flame at T=2000K. Calculate the diameter of the nuclei.
A 10-kVA transformer is known to have an iron loss of 150 W and a full-load copper loss of 250 W. If the transformer has the following load cycle, compute its all-day efficiency:
what is the dollar increase in net profit at full capacity if the income tax rate is 34 percent of gross earnings?
One mol of n-butane and 1 mol of n-pentane are charged into a container. The container is heated to 180oF where the pressure read 100 psia. Determine the quantities and compositions of the phases in the container.
Determine values of U for both heat exchangers. Do not neglect wall resistances and take into account the fouling inside of tubes.
What is the total amount owed at the end of the 10 years if no intermediate payments are made?
The control of the recording head of a dual actuator hard disk drive (HDD) requires two types of actuators to achieve the required high real density.
Compare the initial (immediately after leaving the oven) convection heat transfer rates for the two methods.
Handling operations for solid/powder substances are often a source of dust generation and are a source of exposure to hazardous substances in industries. Describe in details the measures that can be taken to prevent exposure during the following s..
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