Solution of problem N2066 probability theory total prob

Solution of problem N2066 probability theory total prob

2066. A radiolamp may belong to one of two batches with probabilities of 0.6 and 0.4. The probability that the lamp will work for a given number of hours is 0.7 and 0.8, respectively. Determine the probability that the lamp will work for a specified number of hours.

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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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