The Standard Normal Distribution · Exercise 42
The life of wearable fitness devices 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.
X ~ _____(_____,_____)
This exercise has fill-in blanks from its source book and no answer key.
OpenStax, Introductory Statistics 2e · §6.1 The Standard Normal Distribution · Exercise 42
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