The following table summarizes measurements of measuring the Temperature versus the pressure in a particular lab experiment. Event A represents the situation that the pressure is 330 Event B represents the situation that the pressure is 335 Events C represents the situation that the Temperature is low Events D represents the situation that the Temperature is high Find the number of observations of the following events: (a) (A' N C) U D (b) (АП В') Nс (c) (A U B) N C' (d) (A U D')

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