OpenStax, Introductory Business Statistics 2e §6.1 The Standard Normal Distribution · Exercise 41 · Statistics · Normal distribution
The Standard Normal Distribution · Exercise 41
The life of wearable fitness devicess is normally distributed with mean of 4.1 years and a standard deviation of 1.3 years. A wearable fitness device is guaranteed for three years. We are interested in the length of time a wearable fitness device lasts.
Define the random variable X in words. X = _______________.
OpenStax, Introductory Business Statistics 2e · §6.1 The Standard Normal Distribution · Exercise 41
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