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Statement of a problem № m715

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Orders for a computer are summarized by the optional features that are requested as follows: Proportion of orders No optional features 0.3 One optional feature 0.5 More than one optional feature 0.2 (a) What is the probability that an order requests at least one optional feature? (b) What is the probability that an order does not request more than one optional feature?

Solution:
Orders for a computer are summarized by the optional features that are requested

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