A firm has two photocopying machines the old one is, Ask an Expert

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A Firm has two photocopying machines. The old one is available for use 80% of the time and the new one is available for use 91% of the time.
The machine availabilities are independent of each other.

a) Construct a tree diagram to display the information above.
b) Determine the probability that at a randomly selected time:
i) Both machines are available.
ii) neither is available.
iii) exactly one is available.
iv) atleast one machine is available. The second machine was avaialble for use 90%

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91795662

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