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of the 53309 salaried us employees of ford motor company 265 are femalesfor simple random samples of size n with n gt
according to the pew research center for the people and the press persons in higher age groups tend to spend much more
the average length of a hospital stay in general or community hospitals in the united states is 57 days assuming a
it has been reported that the average us office worker receives 14 fax messages per day for purposes of this exercise
at a department store catalog orders counter the average time that a customer has to wait before being served has been
the tensile strength of spot welds produced by a robot welder is normally distributed with a mean of 10000 pounds per
a hardware store chain has just received a truckload of 5000 electric drills before accepting the shipment the
from past experience an airline has found the luggage weight for individual air travelers on its transatlantic route to
an industrial crane is operated by four electric motors working together for the crane to perform properly the four
shirley johnson a county political leader is looking ahead to next years election campaign and the possibility that she
employees in a large manufacturing plant worked an average of 620 hours of overtime last year with a standard deviation
a random variable is normally distributed with mean mu 1500 and standard deviation sigma 100 determine the standard
the operator of a museum exhibit has found that 30 of the visitors donate the dollar that has been requested to help
given the following probability distribution for an infinite population with the discrete random variablex12px0505a
for a population of five individuals television ownership is as followsnbspx number of television sets
in a simple random sample of 1000 households 150 households happen to own a barbecue grillbased on the characteristics
1 what is the difference between a probability distribution and a sampling distribution2 what is the difference between
a storage warehouse in a relatively remote part of a county is protected by a homemade burglary detection system once
bonnie rogers the customer relations manager for a large computer manufacturer has recently studied the duration of
the u-drive car rental corporation has found that the cars in the companys rental fleet experience punctures at the
discount micros a computer mail order company has received 2000 desktop computers from a major manufacturer unknown to
boxes are filled with sugar by a machine that is set to deliver an average of 203 ounces the weights are normally
the precooked weight of hamburgers at a gourmet hamburger restaurant has been normally distributed with a mean of 55
for itemized tax returns in the 60000-75000 income group for the most recent year reported the average charitable
during fiscal 2002 the average daily volume for fedex corporation was 3077000 packages per dayassuming a normal