Question

(a) In reference to what you learnt in business mathematics and statistics, describe five kinds of theory of probability.(b) The table below indicates the cost of certain air tel kiosk

Z 0.15 0.20 0.25 0.75 0.80 0.85 1.85 1.90 1.95 2.00 2.05

Фz 0.0596 0.0793 0.0987 0.2734 0.2881 0.3023 0.4678 0.4713 0.4744 0.4772 0.4798

If it was stated that, the number of telephone calls received at a switchboard is approximately normal with a mean of 580 calls and a standard deviation of 10.
REQUIRED
Find the possibility that on a given day the number of calls received at the switchboard will be;
(a) Exactly 578
(b) Less than 57
(c) Between 561 and 600 inclusive

Answer 1

Answer:

Probability is the branch of mathematics concerning the occurrence of a random event, and four main types of probability exist: classical, empirical, subjective and axiomatic

Step-by-step explanation: