leathe1215 leathe1215

06-06-2023
Mathematics

Answered

The times per workout an athlete uses a stair climber are normally distributed with a mean of 20 minutes and a standard deviation of 5 minutes. What percentage of athletes use the stair climber for less than 18 minutes?
a) 34. 46%
b) 48. 40%
c) 51. 60%
d) 65. 54%

Answer :

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