How do you combine the probability of multiple
events?
mutliply them
add them
divide them

Multiply the events.

Explanation: You should multiply the events by multiplying the first event by the second event.

Say you had event B (1/3) and event A(1/4). Then you would multiply them and that would be the probability of both events.

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the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.