题目
COMM111_S2 Quiz 2: Probability
数值题
Suppose P(A) = 0.10, P(B) = 0.70, and P(B \mid A) ) = 0.80. Find P(A \mid B) . (2 dp)
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思路分析
We start by identifying the known probabilities: P(A) = 0.10, P(B) = 0.70, and P(B|A) = 0.8......Login to view full explanation登录即可查看完整答案
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Question at position 6 The contingency table below represents employees of a communications company classified by age and field of expertise. What is the probability that a randomly selected employee age 35-44 years old has business expertise? (NOTE: Please provide your calculation and final answer in separate blank spaces.) Calculation is: Question Blank 1 of 2[input] Final answer is: Question Blank 2 of 2[input] [table] | Under 35 | 35-44 | 45+ | Total Engineering | 8,399 | 8,663 | 7,072 | 24,134 Business | 14,515 | 14,988 | 26,683 | 56,186 Education | 6,738 | 5,657 | 8,669 | 21,064 Liberal Arts | 11,415 | 11,484 | 12,111 | 35,010 Total | 41,067 | 40,792 | 54,535 | 136,394 [/table]
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