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find the sample size n needed to estimate the percentage of adults who have consulted fortune tellers use a 003 margin
questionthe records of the 100 postal employees at a postal station in a large city showed that the average time these
why is the reliability of an instrument important could you create a test of your own one evening administer it to a
anns facebook page has 198400 likes a survey was posted on anns facebook page about whether people who liked the page
question of interestnbspcan gender be a precipitating factor to determine the length of stay for a mi patientwhat
customers arrive at flourish and blotts randomly and independently of each other at a rate of 10 per day on average
your sample of 12 people is being compared to a known population with a mean of 200 and a variance of 36 what is the
be able to estimate sigma when all you have is a samples variancestandard deviationwhat is the symbol for this
discuss the advantages of using a confidence intervalgive an example of a large population of data that is suited to a
a random sample ofnbsp20nbspadult male wolves from the canadian northwest territories gave an average
what broader population do you believe the sample of cases represents this will determine the population to which the
bigger mammals tend to carry their young longer before birth the length of horse pregnancies from conception to birth
your outcome of interest in the study is a certain protein in the blood you had planned to use a mean or median to
a case-control study was conducted to identify exposures associated with a neurologic disorder in adolescents that is
the ages of your subjects are as follows 15 17 18 18 19 19 19 20 21 and 23 readers will be interested both in the
two us governors are selected at random without replacement find the probability that the first is a republican and the
what is a primary role of confidence intervals are there more than one type of confidence interval provide a list and
a pharmacist reads that a 95 confidence interval for the average price of a particular prescription drug is 3050 to
a tea-drinking canadian friend of yours claims to have a very refined palate she tells you that she can tell if in
read the description of the study and comment briefly on the seems to be lessonthe public health services studied the
please indicate the sampling design and data collection tools used in the following studiesa a researcher wanted to
use the normal model n10420 for the iqs of sample participantsa what iq represents thenbsp24thnbsppercentileb what iq
marios weekly poker winnings have a mean of 395 and a standard deviation of 59 last week he won 175 how many standard
a car insurance company has determined that 9 of all drivers were involved in a car accident last year among the 12
suppose feature movie lengths in hours were measured for all movies shown in 2017 in the us the mean length of all