A compact disc is designed to last an average of 4 years with a standard deviation of 0.8 years. Wha | MathCelebrity Forum

A compact disc is designed to last an average of 4 years with a standard deviation of 0.8 years. Wha

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math_celebrity

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A compact disc is designed to last an average of 4 years with a standard deviation of 0.8 years. What is the probability that a CD will last less than 3 years?

Using our Z-score and Normal distribution calculator, we get:
0.10565
 
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