document.write( "Question 1200092: Question-4\r
\n" ); document.write( "\n" ); document.write( "The amounts of time per workout an athlete uses a stair-climber are normally distributed, with a mean of 20 minutes and a standard deviation of 5 minutes. Find the probability that a randomly selected athlete uses a stair-climber for\r
\n" ); document.write( "\n" ); document.write( "a) less than 17 minutes\r
\n" ); document.write( "\n" ); document.write( "b) between 20 and 28 minutes\r
\n" ); document.write( "\n" ); document.write( "c) If 150 adults are randomly selected, how many would you expect to use the stair-climber for more than 30 minutes
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Algebra.Com's Answer #834220 by ikleyn(52875)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "For  (a)  and  (b),  find all necessary instructions from this video-lesson\r
\n" ); document.write( "\n" ); document.write( "Normal Distribution: Calculating Probabilities {TI 84 Plus CE}
\n" ); document.write( "https://www.youtube.com/watch?v=IyEKEL9nm28\r
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\n" ); document.write( "\n" ); document.write( "or from this textual description\r
\n" ); document.write( "\n" ); document.write( "https://cosmosweb.champlain.edu/people/stevens/WebTech/TIFiles/Chap6-TI-83.pdf\r
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\n" ); document.write( "\n" ); document.write( "Happy learning and calculating (!)\r
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