說(shuō)到數(shù)學(xué)類(lèi)國(guó)際學(xué)術(shù)活動(dòng)，相信不少人首先想到的一定是AMC，可其實(shí)你知道嗎，除了眾所周知的美國(guó)數(shù)學(xué)學(xué)術(shù)活動(dòng)，澳洲也有一項(xiàng)AMC數(shù)學(xué)學(xué)術(shù)活動(dòng)！ 澳洲AMC數(shù)學(xué)學(xué)術(shù)活動(dòng) 澳洲AMC，即澳大利亞數(shù)學(xué)學(xué)術(shù)活動(dòng)（Australian ...
E(X) & Var(X) (Continuous) What are E(X) and Var(X)? E(X)is the?expected?value, or?mean, of a?random?variable X E(X) is the same as the population mean so can also be denoted by?μ Var (X)?is th...
Calculating Probabilities using PDF What is a probability density function (p.d.f.)? For a?continuous random variable?, it is often possible to model probabilities using a function This function is...
aX+b How are the mean and variance of?X?related to the mean and variance of?aX + b? If?a?and?b?are?constants?then the following results are true E(aX + b) = aE(X) + b Var(aX + b) = a2?Var(X) Note t...
Properties of Poisson Distribution What is a Poisson distribution? A Poisson distribution is a?discrete probability distribution What are the important properties of a Poisson distribution? The?mea...
Confidence Interval for μ What is a confidence interval? It is?impossible?to find the?exact value?of a population parameter when taking a sample The best we can do is find an?interval?for which the...
Sample Mean Distribution What is the distribution of the sample means? For any given population it can often be difficult or impractical to find the true value of the?population mean,?μ The populat...
Unbiased Estimates What is an unbiased estimator of a population parameter? An?estimator?is a?statistic?that is used to estimate a?population parameter When a sample is used with the estimator, the...
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馬歇爾學(xué)會(huì)經(jīng)濟(jì)論文比賽 距離投稿結(jié)束僅剩3 天！ 馬歇爾學(xué)會(huì)經(jīng)濟(jì)論文比賽 馬歇爾學(xué)會(huì)經(jīng)濟(jì)論文學(xué)術(shù)活動(dòng)（Marshall Society Essay Competition）由英國(guó)劍橋大學(xué)經(jīng)濟(jì)學(xué)會(huì)舉辦，成立于1927年，該學(xué)術(shù)活動(dòng)針對(duì)全球A Le...
