Ko te pāpono te otinga o tētahi mahi kotahi i roto i tētahi whakamātau tūponotanga. Hei tauira, ko te piu i tētahi uka, te pīrori i tētahi mataono tau, te tango rānei i tētahi kāri i te pūkei kāri (TRP 2010:200). / An event is the completion of an activity in a probability exercise. For example, tossing a coin, rolling a dice, or taking a card from a pack of cards (TRP 2010:200).

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Ka kīia ētahi pāpono he pāpono aukati nā te mea ka aukati te putanga o tētahi pāpono i te putanga o tētahi. Hei tauira: Ina tangohia tētahi kāri pango i te pūkei kāri, ka aukati tērā i te putanga o tētahi kāri whero. Ka kīia he pāpono aukati te tango i te kāri pango me te tango kāri whero (TRP 2010:201). / Some events are called mutually exclusive events because the outcome of an event is blocked by the outcome of another. For example: When a black card is taken from the pack of cards, that blocks the outcome of a red card. Taking the black card and the red card is called a mutually exclusive event.

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Ka raua atu ētahi porotiti e 5 ki rō ipu. He ōrite te rahi o ia porotiti, he rerekē te tae. Ka tangohia tētahi porotiti i te ipu, kāore he tirotiro a te kaitango. He ōrite te tūponotanga puta o ia tae. He pāpono matapōkere tēnei (TRP 2010:165). / Five counters are placed in a container. The size of each counter is the same, but the colours are different. A counter is taken out of the container, but is the person does not look at it. The probability of each colour appearing is equal. This is a random event.

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Mō ētahi whakamātau tūponotanga, he pāpono raupapa te tikanga. Arā, ka whai tētahi mahi i tētahi. Hei tauira, ko te piu i te uka me te pīrori i te mataono tau. Mā te tuhi hoahoa rākau e kitea ai ngā putanga katoa e taea ana (TRP 2010:200). / For some probability experiments, a combined event is the method. That is, one activity follows another. For example, tossing a coin and rolling a dice. By writing a tree diagram all the results can be seen.

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E whakawhirinaki ana te tūponotanga o te pāpono tuarua ki te pāpono tuatahi. Ka kīia ēnei he pāpono whakawhirinaki (TRP 2010:201). / When the probability of the second event relies on the first event, these are called dependent events.

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Mēnā he pāpono wehe kē ētahi pāpono e rua, kāore he pānga o tētahi ki tētahi (TRP 2010:201). / When two events are independent events, there is no relationship of one to the other.

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