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1 an endowment insurance on x provides for 1000 at the end of the year of death provided this occurs within 4 years and
in the table belownbspx1 is a random sample of 20 observations from an exponential population with
revisit the problem rst presented in example 143 regarding a companys attempt to improve its safety performance
a company decides to add 20 to its equivalence principle premiums as a protection against unfavourable experience in
1 a whole-life insurance contract provides for 1 unit payable at the moment of death level premiums are payable
1 a continuous failure time has a density function ft t beta2te-betat a gamma distribution with first parameter 2 the
the time in months between occurrences of safety violations in a toll manufacturing facility is shown in the table
the following data set from a study by lucas 19852 shows the number of accidents occurring per quarter three months at
padgett and spurrier 19908 obtained the following data set for the breaking strengths in gpa of carbon bers used in
1 a failure time t is uniformly distributed on the interval 0 20 the force of interest is a constant 005a a
the distribution of income of families in the us in 1979 in actual dollars uncorrected for ination is shown in the
the data in the following table exercise 1212 shows samples of sizenbspnnbsp 20 drawn from four dierent populations
1 an insurance policy provides a benefit of 1 at the moment of failure provided this occurs after 10 years
ifnbspx1 is a lognormal random variable with parameters alpha beta1 andnbspx2 is anbsplognormal random variable with
the data below are random samples from two independent lognormal distri- butions specicallynbspxl1nbspsim l0nbsp025
the following data is postulated to have been sampled from an exponential enbsp4 population validate the postulated
1 a machine is subject to two independent causes of failure the time of the first cause of failure is uniformly
in an attempt to quantify the effect of temperature and pressure on the yield obtained from a laboratory scale
a once-popular exercise in the late 19th and early 20th centuries involved attempts at nding mathematical expressions
two lives age x and y are subject to the common shock model tlowastx has a constant hazard rate of 006 tlowasty has a
it is desired to characterize the precision of two instruments used to measure the density of a liquid stream in a
to characterize precisely how many sick days its employees take a random sample of 50 employee les was selected and the
1 a box contains two balls either of which can be red or yellow at each stage a ball is chosen at random and replaced
the data set in problems 113 and 1442 shown in the table below for ease of reference is the time in months from receipt
a survey of alumni that graduated between 2000 and 2005 from the chemical engineering department of a university in the