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In a 10 floor dormitory, each floor has 10000 rooms and all the rooms have series numbers. Assume that 10 people are arranged to reside in each floor, answer the following questions about the ways for allocating tenants into the rooms.
A) if the names of these 100 people are unknown and the number of people living in a room is unlimited , then are there how many ways to distribute the students?
B) if the names of these 100 people in the building are still unknown but a room is allowed to lodge one tenant at most , then are there how many ways of room occupation?
C) the allocation manners of (b) are included in that of (a) and takes up the major part of(a), prove the statement.
Suppose we have the following information from a single regression: What is the coefficient of determination? What is the correlation coefficient?
Given the following data on hotel check-ins for a 6-month period:
If we fit the least-squares line to the 12 data points (one for each month) we obtain the following results from a software package. Notice that temperature is taken as the explanatory variable and crawling age as the response.
Given the binomial distribution with n = 23 and p = 0.79, would the normal distribution provide the reasonable approximation? Why or why not?
What is the probability of receiving more than three pieces of junk mail today?
Obtain a test statistic and p -value. Interpret the results at α = .01.
Select the level of significance, and determine critical, ZCR value.
Evaluate probability values using normal distribution and How many students earned more than $36,000? _______
Let independent variable x represent years since 1950. Determine quadratic regression model for per capita cigarette consumption.
Categorize the following as discrete or continuous random variables.
Set up the following null and alternative hypotheses for both factors and their interaction. You should have three verbal statements, not symbolized statements.
The mean weight of loads of coal placed in train cars by a loading machine is 43.0 tons with a standard deviation of 8.0 tons. Assuming that the weight of loads placed in the train cars by this loader are normally distributed
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