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Cell phone survey:
What about drawing a random sample only from cell phone exchanges? Discuss the advantages and disadvantages of such a sampling method compared with surveying randomly generated telephone numbers from non - cell phone exchanges. Do you think these advantages and disadvantages have changed over time? How do you expect they'll change in the future?
the independent newspaper tabulated the gender of all candidates running for election in the 1992 british general
according to cnnusa today poll appox. 70 of americans believe the irs abuses its power. let x equal the number of
For a single X and Y cycle (i.e., c = d = 1), X set size k = 2 and Y set size q = 3, obtain the null probabilities under the assumption of perfect rankings for each of the 5! = 120 distinct possible permutations of the judgment ordered X and Y obs..
A random sample of 100 peaches is gathered and the mean diameter is calculated. What is the probability that the sample mean is greater than 3.79 inches.
The number of cars passing over a certain bridge between 11pm and midnight has a Poisson density with lambda = 4. In what proportion of nights would you expect exactly one car to pass over the bridge during this time?
You are tracking the sales of three tires. Using the binomial distribution formula, what is the probability that at least one will need a repair?
A researcher is analyzing a dataset to determine whether the independent variables predict students' reading level.
A company has 10 salespeople. A board member at the company ask for a list of the top 5 salespeople, ranked in order of effectiveness. How many lists are salespeople possible? Assume that the order of the salespeople on the list is relevant.
Plot a scatter diagram and what kind of relationship exists between these two variables
How long is a broken machine out of service and how many machines are awaiting repair - the repair time follows an exponential distribution, and Ray repairs the machines in the order in which they break down.
Define the quasi-identical states of an LR(1) parsing machine to be those states whose kernel productions are identical. Such states are distinguished only by the look ahead symbols associated with their productions. Given the LR(1) machine built ..
Construct a frequency distribution of grouped scores with approximately 11 intervals.- Construct a histogram of the frequency distribution constructed in part a.
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