TV fail

On average, a television set experiences 25 failures per 10,000 hours of use. Find the probability of a failure occurring within 400 hours of operation.

Final Answer:

p =  63.26 %

Step-by-step explanation:

p1=25/10000=4001=0.0025 p2=1p1=10.0025=400399=0.9975  p3=p2400=0.99754000.3674 p4=1p3=10.36740.6326 p=100 p4=100 0.6326=63.26%



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Showing 1 comment:
Math student
Could have explained it in detail





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You need to know the following knowledge to solve this word math problem:

statisticscombinatoricsarithmeticbasic operations and conceptsUnits of physical quantitiesGrade of the word problem

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