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The figure on the right shows three unimodal and symmetric curves: the standard normal (z) distribution, the tdistribution with 5 degrees of freedom, and the

The figure on the right shows three unimodal and symmetric curves: the standard normal (z) distribution, the tdistribution with 5 degrees of freedom, and the t-distribution with 1 degree of freedom. Determine which is which, and explain your reasoning. 4 2 0 2 4 solid dashed dotte

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