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Information about "Poisson Distribution"During cross country pipeline construction, day production rates of more than 120 girth welds are not unusual. On pipe laying barges operating around the clock, production can be as high as 360 welds per day. This implies an average cycle time of some four minutes or less per weld. In the construction of a pipeline, nondestructive testing (NDT) is an essential tool to verify the quality of girth welds.
Suppose that the number of weld discontinuities (defects) per unit that occur in a pipeline is Poisson distributed with mean 6 defects per unit.
Find the probability that a randomly selected pipeline will contain two or four weld discontinuities (defects)
Drawing at least one black card when you draw a card from a standard deck 6 times, replacing the card each time you draw so that there are always 52 cards in the deck.
A mall has three department stores, JC Penney, Macy's, and Sears. A survey of 2,118 people exiting the mall found that 433 made a purchase at JC Penney, 412 made a purchase at Macy's, 638 made a purchase at Sears
Significance Testing of correlation coefficient - Test the significance of r
Calculate probability values.
Characterize completely the random variable that is Bin(49, 0.3).
Probability - independence of 2 events. Prove that if A and B are independent events in a probability space, then the events A^c and B^c are also independent.
I want to prove that a population mean is not 150. Use an alpha of 5 percent & set up the full, detailed, five step hypothesis test. Suppose when the sample 200 is taken the sample standard deviation is ten & the sample mean is 151.77.
Sketch a graph of the given function C(h) - Where is the vertical asymptote? Does it play a role in this context?
Minimizing the cost
Use a Venn diagram and the given information to estimate the number of elements in the indicated region.
Find the hypothesis and the null hypothesis
Probability Assume that the table below summarizes a survey involving the relationship between living arrangements and grade point average (GPA) for a group of students. If we select a student randomly from this group,
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