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Answer to Question #139700 in Statistics and Probability for DAVONTAYE WEST

Question #139700
The probability that a particular type of smoke alarm will function properly and sound an alarm in the presence of smoke is 0.8. You have 2 such alarms in your home and they operate independently. What is the probability that both sound an alarm in the presence of smoke?
1
Expert's answer
2020-10-25T12:13:43-0400

P(success and success) = 0.8 * 0.8 = 0.64

Answer: the probability that both alarms sound in the presence of smoke is 0.64


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