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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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regina nana regina nana
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4 years ago
A gym teacher uses three exercises to increase arm strength: push-ups, pull-ups, and rope climbing.  He has 10 students in small class.  The exercises consist of doing as many push-ups as possible in 2 minutes.  After a rest the student does as many push-ups as possible in 2 minutes.  After a rest the student climbs a rope and the time is recorded in seconds.  The regression equation for this class is
Rope climb = 117 - 1.91 Push-up - 1.06 Pull-ups
A new student enters the class and is able to do 20 push-ups and 15 pull-ups, what is this student's expected time to climb the rope?  Round your answer to the next whole second.

▸ 68 seconds

▸ 65 seconds

▸ 57 seconds

▸ 63 seconds
Textbook 
Statistics: Informed Decisions Using Data

Statistics: Informed Decisions Using Data


Edition: 5th
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Cass S.Cass S.
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4 years ago
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regina nana Author
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4 years ago
Just got PERFECT on my quiz
njn;l
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You make an excellent tutor!
Jodias
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2 hours ago
Thanks
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