A brother and a sister are in the same math class. there are 8 boys and 20 girls in the class. one boy and one girl are randomly
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Step-by-step explanation:
<h2>Analytic View:</h2>If and event can occur in A number of way and fail in B number of ways, then probability of its occurrence is:
or probability of its failing is:
Rolling a number smaller than 3 in a dice.
A= 2 (1,2)
B = 4 (3,4,5,6)
Definition of Probability in terms of past performances (data). It can be taken as how often things happens divided by all outcomes.
<h3>Example:</h3>A batter has 50 safe hits at 200 bats, which makes his batting average which is the probability.
When you define a probability due to personel beleif in the likelihood of an outcome. It involve no formal calculations and varies from person to person, depending on their past experience.
<h3>Example:</h3>A person beleives that probability that the batter will hit safely in the next bat is 0.75