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the 2011 gross sales of all firms in a large city have a mean of 23 million and a standard deviation of 06 million
statistics for decision making1 what is the formula for the expected value ex for any probability distribution2 what is
use the given degree of confidence and sample data to find the margin of error in estimating the population mean
weights of woman in one age group are normally distributed with a standard deviation of 17 pounds a researcher wishes
a random sample of 94 customers who visited a department store spent an average of 81 at this store suppose the
you are evaluating the steps in a core process using a fmeafailure modes and effects analysis the scales to rate
a toothpaste manufacturer wants to establish that their sales have more than 42 of the market set up the null and
the owner of an exercise club believes the mean value of the amount of weight lost in a program during six months
city of providence supervisor claims that the mean weight of all garbage discarded by households each week is 29 lb a
a random sample of 26 standard metropolitan statistical areas smsas was selected and ratio per 1000 of registered
the president of doerman distributors inc believes that 27 of the firms orders come from first-time customers a simple
a prevalence survey conducted from january 1 through december 31 2003 identified 2000 cases of schizophrenia in a city
fancorp a consulting firm claims that less than half of franchises are owned by husband-wife team a simple random
preparenbspan 11- to 15-slide microsoftregnbsppowerpointregnbsppresentation for the senior management team based on the
1 you are moving to a country where malaria is endemic from past experience you know that you dont feel well when
a local business school claims that its graduating seniors get higher-paying jobs than the national average for
hollow is proud of their energy saving program a sample of 29 houses reveals an average saving of 475 kilowatt hours
we toss an unfair coin 100 times in a row we play according to following rules if tail 1 if head -145 p head04 estimate
according to a recent study93 of high school dropouts are 16- to 17-year-olds in addition65 of high school dropouts
a company publishes statistics concerning car quality the initial quality score measures the number of problems per new
in the first nine months of a year airline consumer complaints were 095 per 100000 passengerswhat is the probability
55 of men consider themselves baseball fans randomly select 10 men and ask each if he considers himself a professional
suppose a company has a production line making pickup truck camper shells it averages 100 shells per week the new
midterm-take home portionyou can consult any materials you like but please do not work with your classmatesyou are a
the length of time it takes to find a parking space at 9 am follows a normal distribution with a mean of 4 minutes and