The Estimated Service Life of a Part Is Normally Distributed

question 27

Essay

The estimated service life of a part is normally distributed with a mean of 500 hours and a standard deviation of 40 hours.Determine the probability of failing in these intervals :
(i)before its mean life(ii)after 450 hours of operation(iii)between 540 hours and 600 hours

---

Definitions:

Sister Chromatids

Identical copies of a chromosome, connected by a centromere, that are formed during DNA replication.

Anaphase II

A phase in meiosis II where sister chromatids separate and move to opposite ends of the cell.

Meiosis

A type of cell division that reduces the number of chromosomes by half, resulting in the production of gametes or spores in organisms.

Figure Panel

A segment or section within a larger visual representation, often used in scientific documentation.