Statistics ITU Board 2081
Explain the mathematical approach of probability. A list of important customers contains 25 names. Among them 18 persons have their accounts in good standing while 7 are delinquent. Three persons…
5Explain the mathematical approach of probability.
A list of important customers contains 25 names. Among them 18 persons have their accounts in good standing while 7 are delinquent. Three persons will be selected at random from this list and status of their accounts checked. Calculate the probability that
(i) all accounts are delinquent
(ii) one account is delinquent and others are in good standing.
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