Introduction to probability (A level Statistics)
Introduction to probability (A level Statistics) The probability of an event is the likelihood or chance of that event happening. The range of values of the probability of any event lie between 0 and 1, where 0 is the probability of an event absolutely impossible. 1 is the probability of an event absolutely possible. For…
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Laws of probability (A level Statistics)
Laws of probability (A level Statistics) Mutually exclusive events and the addition law Mutually exclusive events are events that cannot occur at the same time. Let us say we have a class of 10 students and we want to random remove 1 student from the class. The student should be either a boy or a…