does anyone have any data on the probability of a kitchen toaster breaking such as mechanical or electrical faults?

For a school project- teacher put me in charge to find this

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    $\begingroup$ Right now the problem is to broad to answer. Try breaking the problem down into the major systems, to major component, and sub-components. Then look for reliability metrics like MTBF, MTTF, B10 for those sub-components. You can really go deep on this project by doing a reliability block diagram. $\endgroup$
    – user13416
    Mar 29, 2023 at 22:03
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    $\begingroup$ contact a toaster manufacturer $\endgroup$
    – jsotola
    Mar 29, 2023 at 23:04
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    $\begingroup$ Remember that the process of finding the information is how you learn, not the accuracy of the answer. You should first establish what "breaking" means. There are many ways it could break and components which would cause that; write those down, then ask specific questions about those things. The other method is to survey friends and family of how long they have had a toaster and if it ever broke; then calculate the statistics based on that sample. $\endgroup$
    – ericnutsch
    Mar 30, 2023 at 4:02
  • $\begingroup$ Do cheaper ones fail first? What about design life? $\endgroup$
    – Solar Mike
    Mar 30, 2023 at 6:18
  • $\begingroup$ Were you asked to find data or to estimate? $\endgroup$ Mar 30, 2023 at 12:09


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