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Motorcycle-safety courses, offered by a number of organizations, teach

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Re: Motorcycle-safety courses, offered by a number of organizations, teach  [#permalink]

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New post 23 Feb 2019, 17:06
Could anyone recommend additional questions similar to this one?

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Re: Motorcycle-safety courses, offered by a number of organizations, teach  [#permalink]

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New post 23 Feb 2019, 17:07
Could you recommend questions similar to this one?
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Re: Motorcycle-safety courses, offered by a number of organizations, teach  [#permalink]

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New post 12 May 2019, 01:32
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Quote:
Motorcycle-safety courses, offered by a number of organizations, teach motorcyclists important techniques for handling and for safely sharing the road with other road users. If more motorcyclists took these courses, there would be fewer serious motorcycle accidents. Data show that 92% of the motorcyclists who are involved in a serious motorcycle accident have never taken a motorcycle-safety course.

In assessing whether the data cited provided support for the position taken about motorcyclists' taking the courses, it would be most useful to determine which of the following?


Premise - Motorcycle safety course teach important techniques for safe driving and 92% of all motorcyclists are involved in accidents had never taken a safety course.

Pre-thinking - I would like to know how the likelihood of the 8% motorcyclists who took the course to be involved in the accident.

Quote:
(A) Whether significantly more than eight percent of motorcyclists have taken a motorcycle-safety course


Matches with pre-thinking. Correct.

Quote:
(B ) Whether it is riskier for a motorcyclist to ride with a passenger behind the rider than to ride alone

Out of scope. The stem doesn't talk about the passenger behind the rider.

Quote:
(C) Whether the different organizations that offer motorcycle-safety courses differ in the content of the courses that they offer

Contents of the motorcycle-safety course is not the focus of the stem. Number of motorcyclists who have taken is the course is the primary focus.

Quote:
(D) Whether more than 92% of serious motorcycle accidents involve collisions between a motorcycle and another vehicle in motion.

Whether accidents involve were collisions btw motocycle and another vehicle or motorcycle and car or motocycle and space shuttle is not important.
Motorcyclist is involve in a accident is enough to be considerd.

Quote:
(E) Whether variations in the size and potential speed of a motorcycle influence the risk of a serious accident's occuring.

Again size and potential speed are not important.

Answer A.
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Re: Motorcycle-safety courses, offered by a number of organizations, teach  [#permalink]

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New post 17 Jun 2019, 04:21
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Hello,

Look at the following situation:
Say 100 people are involved in serious motorcycle accident:

According to the stimulus we know that 92 people did not take the course and 8 people took the course.
Now assume that the overall number of motorcyclists is 1000:
And out of these 920 did not attend the course and 80 attended the course.
So this means that out of 920 people who did not attend the course 92 got involved in accident – 10%

Also 8 people out of 80 who did attend the course got into accident – again 10%

Therefore to confirm that taking the course prevents accidents we need to know whether more than 8% of people take the course.
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Re: Motorcycle-safety courses, offered by a number of organizations, teach  [#permalink]

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New post 22 Jul 2019, 05:51
The reason why I chose D was because of this sentence: ???Motorcycle-safety courses, offered by a number of organizations, teach motorcyclists important techniques for handling and for safely sharing the road with other road users.?????



D. Whether more than 92% of serious motorcycle accidents involve collisions between a motorcycle and another vehicle in motion.??

The whole point of the course is to do two things:
1. Learn to Handle your vehicle
2. Learn to share the road w/ others.


Going back to d.
Whether more than 92% of serious motorcycle accidents involve collisions between a motorcycle and another vehicle in motion.??

If answer yes to the question, the course could prove useful because it teaches people ???how to share the road with others???, which is why the wrecked in the first place.

If answer no, the course would not help the main cause of the the crashes.




However, I understand that the 92% of serious MC accidents does not have to hold for it to be useful.

For instance, what if it was 51% of serious motorcycle accidents involve collisions between a motorcycle and another vehicle in motion.??
Then, the same logic could still prove useful (if representative of whole) in favor of the course being beneficial.


Is this logic correct?
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Re: Motorcycle-safety courses, offered by a number of organizations, teach   [#permalink] 22 Jul 2019, 05:51

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