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Population Density
Data were recorded for each of the Egyptian districts: the district, its population (in 2006), its area (in square miles), and the governorate in which it is located (Markaz, Kism, New city, etc.).
For each state, find the population density: the number of people divided by the number of square miles.
Write a few sentences comparing the distribution of population densities in the different governorates.
Support your description with appropriate graphs.
The student with the 92 found a grading error on her exam and her correct grade was 95. There were no other grading errors. After correcting this student's paper, the five number summary for the midterm exam will be
If you spin a fair coin 100 times,- Intuitively, how many heads do you expect?- Use the formula for expected value to verify your intuition.
If the server has 40 customers in one shift, what is the probability that her total tips are less than $250? (Assume that these 40 customers represent a simple random sample).
How many test runs of the new Volvo S40 model are required for determining its average miles-per-gallon rating on the highway to within 2 miles per gallon with 95% confidence, if a guess is that the variance of the population of miles per gallon i..
Suppose that a bowl contains 10 chips each uniquely numbered 0 through 9 The chips are thoroughly mixed, one is drawn and the number on it
a recent study focused on the number of times men and women send a twitter message in a day. the information is
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In problem, what is the probability that the sample proportion will be at least 0.45?
If you use a 0.10 level of significance in a two-tail hypothesis test, what is your decision rule for rejecting a null hypothesis that the population mean is 500 if you use the Z test?
Is there any evidence to suggest that the proportion of luxury-car drivers with insufferable driving habits is greater than the proportion of ordinary-car drivers with similar habits? Use a = 0.01.
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