题目
题目

BSTA011 Week 3 : Marginal probability

数值题

Use the table and answer the following question and record your response : CC CC’ Total TC 40 85 125 TC’ 60 60 125 Total 100 150 250   (b) What's the probability that the student has a  travel card?

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标准答案
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思路分析
The problem provides a contingency table with two variables, showing counts for categories labeled TC and TC’ across two subcategories (likely CC and CC’), with a grand total of 250 observations. To find the probability that ......Login to view full explanation

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