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the following information was obtained from two independent samples selected from two normally distributed populations
studies have shown that the risk of developing coronary disease increases with the level of obesity a study comparing
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a study was conducted to compare two different procedures for assembling components both procedures were implemented
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a pharmaceutical company tested a new drug to be marketed for the treatment of a particular type of virus in order to
the following data represent the maximal head measurements across the top of the skull in millimeters of 15 etruscans
a random sample from a normal population yields the following 25 values90nbspnbspnbsp 87nbsp nbsp121nbsp 96nbspnbspnbsp
suppose that time between two telephone calls at an ofce in minutes is uniformly distributed on the interval 0 20 if
the lifetime x of a certain electrical fuse has the following probability density function r 1 -x10 f x 10 e x
1 letnbspxnbspandnbspynbspbe independent random variables from an exponential distribution with common
1 a psychologist claims that the mean age at which female children start walking is 114 months if 20 randomly selected
assume that t has a t-distribution with 8 degrees of freedom find the following probabilitiesa p t le 2896b p t le
an optical rm buys glass slabs to be ground into lenses and it is known that the variance of the refractive index of
1 letnbspxnbspandnbspynbspbe independent chi-square random variables with 14 and 5 degrees of freedom respectively
1 letnbspynbsphave a chi-square distribution with 7 degrees of freedom find the following probabilitiesa p y gt y0nbsp
1 scores on the wechsler adult intelligence scale for the 20 to 34 age group are approximately normally distributed
1 a population of disk drives manufactured by a certain company runs with mean seek time of 10 milliseconds with
1 an image-encoding algorithm when used to encode images of a certain size uses a mean of 110 milliseconds with a
the following data give birth rates per 1000 population for 20 selected states in 1998 source the world almanac and
the following data represent 15 randomly selected state nances revenue and expenditures in millions of dollars for the
suppose the target distribution isx y sim n0 1 rho 0 rho 1then write the gibbs
1 write a general metropolis or metropolis-hastings algorithm to generate a sample from a target distribution pi where
the mileage in thousands for a random sample of 10 rental cars from a large rental companys eet is listed7 13 5 5