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according to the polk company a survey of households using the internet in buying or leasing cars reported that 81 were
can you look for multicollinearity between a categorical independent variable and a continuous dependent variable or
let a and b be two events where pa 048 pb 022 and pbcac 091 what is the probability of a or b a union
regression equations can take the formin the spaces next to the items below place the letter corresponding symbol from
assume the random variable x is normally distributed with mean mu 86 and standard deviation sigma 4 find the indicated
staples has six special drafting pencils for sale two of which are defective a student buys two of these six drafting
in the following five scenarios h0 alpha the obtained probability p-value and the true status of h0 are given assume
a sample of 100 people is classified by gender malefemale and by whether they are registered voters the sample consists
one hundred twenty-five marine recruits participated in a study to assess the benefits of a strength training program
1 let z be a standard normal random variable with mean 0 and standard deviation 1 us the normal table to find the
according to a january 2013 survey by the pew research center the percentage of americans who trust the government in
a media rental store rented the following number of movie titles in each of these catagories 160 horrors 242 drama 114
suppose a sampling space has things a b and c twice draw from the sample space and replace the possible sequence formed
a sample of 184 randomly selected students found that the proportion of students planning to travel home for
if the probability of either outcome a or outcome b arising during a single random process is 04 and we also know that
what level of measurement is required for qualitative variables what level of measurement is required for quantitative
a manufacture makes makes two models of an item model 1 which accounts for 89 of unit sales and model 2 which accounts
a local postal carrier distributes first-class letters advertisements and magazines for a certain day she distributed
1 a fencer attends a fencing tournament to ensure the equipment works well he takes three blades two of them will be
the new fore and aft marina is to be located on the ohio river near madison indiana assume that fore and aft decides to
a study was conducted to evaluate the association between benzene exposure and leukemia employment records identified
at a large university the probability that a student take calculus and is on the deans list is 0048 the probability
in a recent year 8415394 male students and 4879215 female students were enrolled as undergraduates receiving aid were
a national center for health statistics report based on 1985 data states that 30 percent of american adults smoke
suppose that we take a random sample of 49 people from this segment of the population what is the probability that the