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Members of the track team record their times running one lap around the track. The average lap time is 105 seconds with a standard deviation of 12 seconds. Only members that rank in the top 20% will promoted to race in the next.

event. What is the time to beat so that an athlete can participate in the next event? (Remember, a lower time is best)

(a)93 seconds
(b) 95 seconds
(c) 115 seconds
(d) 117 seconds 5

User Kolleen
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Answer:

(c) 115 seconds.

User Mralexhay
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