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1 a random variable is binomially distributed with n 16 and pi 40 the expected value and standard deviation of the variables area 200 and 124 b 480
a simple random sample of 120 clocks yields nine clocks with errors in assemblya compute the 99 confidence interval for the proportion of clocks with
1 the labor relations manager of a large corporation wished to study the absenteeism among workers at the companys central office during the last
us bureau of the census data reveal the largest town in the state of oh has a population of one million families the data show that acreage owned per
after reviewing the assigned readings write a paper of 1000-1500 words that considers ethical issues in business statistics and discuss how your
100-meter run again refer to exercise 414 in which a 100-meter sprint is run by john bill ed and dave assume that all of the runners are equally
you have purchased five shares of stock in diversified machine tools which has a mean value of 25 and a standard deviation of 9 and 10 shares in
1determine whether each of the following is an experiment or an observational study also identify the explanatory and response variablesa sixty
health studies indicate that 5 percent of the population of umen has a disease that is peculiar to that country there is a diagnostic technique to
as an epidemiologist you are going to investigate the effect of a drug suspected of causing malformations in newborn infants when the drug in
a statistics practitioner working for major league baseball determined the probability that the hitter will be out on ground balls in 075 in a game
a family doctor is interested in examining the relationship between a patients age and total cholesterol he randomly selects 14 of his female
a farmer wishes to determine the optimal level of a new fertilizer on his soybeancrop some factors that affect crop yield are fertilizer
bi-lo appliance super-store has outlets in several large metropolitan areas in new england the general sales manager aired a commercial for a digital
the american college of cardiologists claims that the mean number of grams of fat in the popular mi burger sold at burgers to die for is 24 grams
according the international atomic energy agency electricity per-capita consumption in canada is 16939 kwh in 2002 a random sample of 53 households
develop the hypothesis for a 3x3 factorial design anova the experiment revolves around the effect of music and chocolate on words remembered the
1 a random sample of size 49 is drawn from a population with a standard deviation of 11 if only 18 of the time a sample mean greater than 325 is
1 according to the yankee group 53 of all cable households rate cable companies as good or excellent in quality transmission sixty percent of all
part a dependent t testfor this assignment we are interested in finding out whether participation in a creative writing course results in increased
the us bureau of labor statistics produces consumer price indexes for several different categories shown here are the percentage changes in consumer
a citrus farmer has determined that the diameter of its grapefruits are normally distributed with a mean of 45 inches and a standard deviation of 03
1 create the data seta using the activity 6asav file as a starting point create a new dataset that you can use with the between subjects design hint