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air pollution in large us cities is monitored to see whether it conforms to requirements set by the environmental
1anbspsuppose we construct a 99 condence interval what are we 99 condent aboutb which of the condence intervals is
let x1 xn be a random sample from a population with the mean mu what condition must be imposed on the constants c1 c2
let x1 xn be a random sample from a population with density re-x-theta for x gt theta fx 0 otherwisea
the lifetimes x of a certain brand of component used in a machine can be modeled as a random variable with pdf fx
the following data represent the amount of leakage of a uorescent dye from the bloodstream into the eye in patients
let x1 xn be a random sample recorded as heads or tails resulting from tossing a coin n times with unknown probability
let x1 xn be a random sample from a distribution with pdf r 2beta-2x 0 x beta fx beta2 0 otherwiseuse the
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let x1 xn be a random sample from a negative binomial distribution with pmf x r - 1 x 1 - px 0 le p le 1x 0 1 2px r
let x1 xn be a random sample from the truncated exponential distribution with pdf re-x-theta x ge thetafx 0
the probability density of a one-parameter weibull distribution is given by r2alphaxe-alphax2 x gt 0 fx 0
let a be a fixed vector in r2 a mapping of the form lx xa is called a translation show that if a does not equal 0 then
notes4 means symmetric group of degree 4a4 means alternating group of degree 4e is the identityis there a group
show that the set of all elements of r2 of the form a -a where a is any real number is a subspace of r2 give a
let t be defined on real two dimensional plain and thatxyt axby cxdy a b c d real constantsprove that t is a vector
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what does it mean for two graphs to be the same let g and h be graphs we say that g is isomorphic to h provided that
if there are n vectors v1 v2 v3vn in em which spans a subspace of dimension kltn if kltn how many different linear
tree growth scatterplotage 5 14 29 16 16 26 6 25 7 18diameter 8 23 34 24 24 10 30 14 13summary points for first middle
homeworkbe sure to state what probability distribution you assume in each problem you may find the necessary
at the start of the year a company wants to invest excess cash in one-month three-month and six-month cds the company
let fg-gth be a group homomorphismprove or disprove the following statement1let a be an element of g if fa is of finite
assume that k is a cyclic group h is an arbitrary group and f1 and f2 are homomorphisms from k into auth such that f1k