Mathematics, 19.05.2021 15:20 arivalen

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%

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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%​

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Another question on Mathematics

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%