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Math home work questions

Posted on 2016-10-05
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Last Modified: 2016-10-06
My teacher solved some questions in class but I don't understand them. I am just wondering if I am allowed to post these questions if experts can explain them.
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Question by:Tommy Anderson
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5 Comments
 
LVL 17
ID: 41830767
You are if you show how you've made an attempt at them and explain where you are stuck.
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by:Tommy Anderson
ID: 41830797
I tried to figure it out but accept the first line total accident probability, I don't understand the rest of the solution.

 ques1.PNG
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LVL 27

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aburr earned 500 total points
ID: 41830862
consider a
What is the probability that the person has an accident?   Write the answer
What is the probability that the person drove less than 10,000?    Write the answer
send answers and I will go to the next step

If I understand you work correctly you gave an answer to part a of 0.2. But that is obviously wrong because the probability of just having an accident by itself is greater than that.
Helpful question: If the probability of A happening is 0.3 AND the probability of B happening is 0.4
What is the probability of either A OR B happening?     Write the equation
What is the probability of A AND B happening?     Write the equation
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Author Comment

by:Tommy Anderson
ID: 41830883
What is the probability that the person has an accident? 0.50 (According to the data)
What is the probability that the person drove less than 10,000? 0.15  (According to the data)
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LVL 27

Expert Comment

by:aburr
ID: 41830951
So how can the probability of doing either be less than the probability of having an accident?
I think you are probably applying the wrong equation, How would you do the other two simplified questions?
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