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because more people prefer steel than wood.

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steel because there is less chance of it breaking and sending a 40 year old man at 120mph at a tree

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steel because there is less chance of it breaking and sending a 40 year old man at 120mph at a tree

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There are more people who prefer steel roller coasters so I would install a steel roller coaster.

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steel becuase the majority of people of all ages prefer steel coasters, over wood coasters

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steel becuase the majority of people of all ages prefer steel coasters, over wood coasters

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I would recommend the steel roller coaster because the majority of people for every age prefer steel over wood.

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I would recommend the steel roller coaster because the majority of people for every age prefer steel over wood.

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360 steel

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270 for wood and 360 for steel.

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315 steel, 105 wood for ages less than 40

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315 steel, 105 wood for ages less than 40

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I would expect there to be 270 wood and 360 on steel.

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I would expect there to be 270 wood and 360 on steel.

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I wil expect there 270 wood 360 steel  (>_+:")

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I wil expect there 270 wood 360 steel  (>_+:")

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３　tルエべかうせてぇらちおいｓてぇらちおいｓりｇｈｔ

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３　tルエべかうせてぇらちおいｓてぇらちおいｓりｇｈｔ

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the ratio is the same

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てぇyはヴェてぇサメらちお

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45 is 3/4 of 60, 15 is 3/4 of 20

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the ratio is the same

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へらちおいｓてぇさめ

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1.No because when you look at previous ratio it not.45:15 which is 3:1
2.No because when you look at the previous ratio it not.60:20 which is 3:1
3.True because the ratio is 60:80
4.False because they have same ratio.15:20 is 3:4 and 45 to 60 is 3:4
5.False because they have the same ratio.

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1. False because they have the same ratio.               

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1. False because they have the same ratio.               

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2.  False they have the same ratio so they are equally as likely
3. True the ratio of prefer wood frame to steel frame is 3:4.
4. False The ratio is the same for both of them meaning they are equally likely to like the same things.
5. False the ratio of prefer wood to steel is the same.

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2 no because they have same ratio
3 yes because 60;80=3;4
4 no because they have same ratio
5 no because they have the same ratio

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1. False there are 3 times as many people who prefer the wood frame as the old people, but there are also 3 times as many young people who prefer the steel roller coaster.
2. False for the same reason as #1.
3. If you add 15 and 45 (the wooden roller coasters) and the 60 plus 20 is 80 (the number of people who rode the steel roller coaster) and 60 is 3/4 of 80.
4.The ratio is the same, so the amount of younger people who prefer the wooden roller coasters are also the same percent of older people who prefer the wooden roller coasters.
5. Same reason of #4.

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they have the same ratio

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yes

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45/3  is 15, and 60/3 is fd20, and 15:20 is equal to 15:20

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Yes the ratio/fraction of wood to steal for both of them is 3/4 or 3:4.

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Yes the ratio/fraction of wood to steal for both of them is 3/4 or 3:4.

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2.	How would you expect those riders to be distributed by age and coaster type in the following table?

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2.	How would you expect those riders to be distributed by age and coaster type in the following table?

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B.	Suppose that a park installed one of each type of roller coaster.  One day there were 210 riders over the age of 40 and 420 riders under the age of 40.  Use the survey data from question A.  

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B.	Suppose that a park installed one of each type of roller coaster.  One day there were 210 riders over the age of 40 and 420 riders under the age of 40.  Use the survey data from question A.  

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1.    How many riders would you expect on the wood-frame coaster and how many on the steel-frame coaster?

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C.	If only one roller coaster type could be installed in the park, which would you recommend?  Explain your choice.

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C.	If only one roller coaster type could be installed in the park, which would you recommend?  Explain your choice.

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Study the roller coaster survey data by age of rider. Make a recommendation about the type of coaster that should be installed in the new park.  

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Study the roller coaster survey data by age of rider. Make a recommendation about the type of coaster that should be installed in the new park.  

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A. Use the survey data. Is each statement True or False? Explain.
1.    Younger riders are three times as likely as older riders to prefer wood-frame coasters.

2.    Younger riders are three times as likely as older riders to prefer steel-frame coasters.

3.    The number of riders who prefer wood frame coasters is about three quarters of the number who prefer steel frame coasters.

4.    Younger riders are more likely than older riders to prefer steel frame coasters.

5.    Older riders are more likely than younger riders to prefer wood frame coasters.

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To plan a new amusement park, a team of coaster designers asked customers, "Do you prefer wood or steel frames in roller coasters?" 

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To plan a new amusement park, a team of coaster designers asked customers, "Do you prefer wood or steel frames in roller coasters?" 

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Does it look like younger and older riders have the same preferences in roller coaster type?