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Dyfyniad Arddull ChicagoSpiegel, Murray R. Theory and Problems of Probability and Statistics. Singapore: McGrawHill, 1975.
Dyfyniad MLASpiegel, Murray R. Theory and Problems of Probability and Statistics. McGrawHill, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.