Constitute a pool of secretaries for the group

Reference no: EM131834497

A certain corporation has 90 junior executives. Assume that the probability is 1/10 that an executive will require the services of a secretary at the beginning of the business day. If the probability is to be 0.95 or greater that a secretary will be available, how many secretaries should be hired to constitute a pool of secretaries for the group of 90 executives?

Reference no: EM131834497

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