Gaussian population with mean

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Reference no: EM131002552

1.给定从平均100和方差25的高斯人群中提取的10个观测值的随机样本,计算了以下概率有关样本平均值,X::

(一世)P(X¯100);

(ii)P(X¯100);

(iii)P(X¯104.5);

(iv)P(96.9X¯103.1);

(v)P(98.4X¯101.6)。

Will the sample size make a di?erence in the distribution used to compute the probabilities?

2.请参阅练习13.14。这次,没有给出人口差异;取而代之的是,从10个观测值中获得样品方差为24.7。

(i)计算概率。

(ii)Recompute the probabilities if the sample size increased to 30 but the sample variance remained the same.

Reference no: EM131002552

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