JLyons365 JLyons365

25-09-2022
Mathematics

Answered

The toasters produced by a company have a normally distributed life span with a mean of 5.8 years and a standard deviation of 0.9 years, the company is willing to have a warranty that replaces at most 5% of their toasters sold. What is the longest a blender can last and still be in the lowest 5% of life spans?
4.6 years

7.3 years

4.3 years

5.9 years

Answer :

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