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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.
1.in the table below we examine the relationship between final grade and the reported hours per week each student said
a. Solve using the p value approch. b. Solve using the classical approch.
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The probability that the daily demand at this store is at least one and at most three is:
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