题目
COMM111_S2 Quiz 3: Random Variables and Discrete Distributions
数值题
A recent survey revealed that 25% of the vehicles travelling on highways, where speed limits are posted at 100 kilometres per hour were exceeding the limit. Suppose you randomly record the speeds of 10 vehicles travelling on a particular highway, where the speed limit is 100 kilometres per hour. Find the probability that none of the vehicles were speeding (4 DP).
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标准答案
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思路分析
To approach this problem, first interpret the given data: 25% of vehicles are speeding, so the probability that a randomly chosen vehicle is not speeding is 1 - 0.25 = 0.75.
Next, since the speeds of 10 vehicles are recorded ......Login to view full explanation登录即可查看完整答案
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