Probability - Exam with 2 parts question
Hi,
I am having a bit of a problem here with a question. It is rather straight forward but I'm just banging my head here. Q: An exam has 2 parts. Part A contains 25 question with probability .9 of answering them correct. Part B contains 36 question with probability .7 of answering them correct. What is the probability that I get > 75% correct of this exam? Each question is independent of the next. Any light would be appreciated. Thank you. |
Re: Probability - Exam with 2 parts question
Thanks I got it.
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