Estimate the average time using the sample mean
(a) Using exponential distribution estimate the average time using the sample mean.
Times:
(b) Using the previous data perform a hypothesis test to find if the time is different 2 days with type 1 error or 0.05.
(There might not be an answer)
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A Normally distributed quality characteristic is monitored throughuse of an x bar and R chart. These charts have the followingparameters n=4
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Which of the two projects should be chosen under the payback method?Which of the two projects should be chosen based on the net present value method?
A 10-m-by-14-m house is built on a 12-cm-thick slab of concrete. What is the rate of heat loss through the slab if the ground temperature is 5.00° C while the interior of the house is 22.0° C?
Chip's Home Brew Whiskey management forecasts that if the firm sells each bottle of Snake-Bite for $20, then the demand for the product will be 15,000 bottles per year, whereas sales will be 93 percent as high if the price is raised 19 percent.
The number of nonconforming switches in samples of size 150 are shown below. Construct a fraction nonconforming control chart for these data. Does the process appear to be in control?
A gas is compressed from 600 cm3 to 200 cm3 at a constant pressure of 400 kPa. At the same time 100 J of heat energy is transferred out of the gas. What is the change in the thermal energy of the gas during this process?
If I roll a fair die 1000 times find the probability the number of threes is strictly between 125 and 165 using excel commands.
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