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an urn contains 7 green and 9 black balls five balls are randomly drawn from the urn in succession with replacement
a lawsuit has been filed against your company by a disgruntled employeenbsp it seems that the bonuses you awarded were
a study examines self-esteem and depression in children a sample of 25 children with low self-esteem is given a
in january 1971 a gallup poll asked a proposal has been made in congress to require the us government to bring home all
in a certain class midterm score averages out 70 with an sd of 15 as do scores on the final the correlation between
a history class is comprised of 5 female and7 male students if the instructor of the class randomly chooses 5
it is estimated that 90 of senior citizens suffer from sleep disorders and 7 suffer from anxiety moreover 6 of senior
it is estimated 30 of all adults in united states invest in stocks and that 83 of us adults have investments in fixed
it is estimated that 26 of all california adults are college graduates and that 31 of california adults are regular
if the standard deviation of all pumps sigma is also unknown compute a 95 confidence interval for mu if the average for
it is estimated that during the past year 27 of all adults visited a therapist and 44 of all adults used
a toy manufacturer claims that the mean time that its top-selling toy captures childrens attention is at least 25
suppose that a certain college class contains 45 students of these 28 are seniors 28 are physics majors and 10 are
in the following binomial probability distribution in may 2015 cnnusa todaygallup poll reported that 86 of adult
hospital records show that 22 of all patients are admitted for heart disease 24 are admitted for cancer oncology
in a shipment of 71 vials only 13 do not have hairline cracks if you randomly select 2 vials from the shipment what is
the irs claims that the mean wait time for callers during tax season is at most 7 minutes a random sample of 11 callers
in a shipment of 53 vials only 13 do not have hairline cracks if you randomly select one vial from the shipment what
baseball player mark mcgwire broke a record when he hit 70 home runs in the 1998 season during that season he was at
compute a 99 confidence interval for mu if the average for randomly selected 20 heat pumps is 485 and the standard
on a multiple-choice test with five possible answers for each question what is the probability of answering a question
in a study of 82 young under the age of 32 drivers 39 were men who were ticketed 11 were men who were not ticketed 8
in a bruskin-goldring research poll respondents were asked how a fruitcake should be used one hundred forty-five
use thenbspmall time interview resultsnbspfile linked in the resources under the required resources heading to complete
consider repair cost for car a and car b the mean repair cost for each is 500 per year which statistics about repair