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The amounts of time per workout an athlete uses a stair climber are normaly distributed,...

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Basic Math

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The amounts of time per workout an athlete uses a stair climber are normaly distributed, with a mean of 23 minutes and a standard deviation of 7 minutes. Use the normalcdf function in the calculator to find the probability that the time a randomly selected athlete uses a stair climber is less than 19 minutes.A 0.716B. 0.498C. 0.284D. 0.103

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