07 Oct When processing credit-card applications there is a 20% chance that an application will have incomplete or insuffic
When processing credit-card applications there is a 20% chance that an application will have incomplete or insufficient information and require research. You have 10 applications in your
to-do pile and would like to leave early today.
(a) Fill in the values: [2 marks] n = p = q =
(b) What is the probability of exactly three applications needing research? [4 marks]
ANSWER (4 decimal places):
(c) What is the expected number of applications that will need research? [1 mark]
ANSWER:
(d) What is the probability of having UP TO the expected number of applications needing research? [5 marks]
ANSWER (4 decimal places):
