A A a c o E I The maintenance department in a factors:r claims that the number of breakdowns of a particular machine follows a Poisson distribution with a mean of two breakdowns eirer'g:r soo hours. Let x denote the time [in hours} between successive breakdowns. 3 3 _ _ S F Required: 3 250 a a} ssu ming that the maintenance department's claim is true. nd the probability:r that the time 1 between successive breakdowns is at most ve hours. b} Assuming that the maintenance department's claim is true, nd the probability that the time 3 between successive breakdowns is between mo and EDD hours