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In a certain town, the probability that, all the outgoing telephone lines are jammed, in the telephone exchange is 1/4. The probability that the customer will attempt to telephone is 3/20. If a customer telephones and it fails to get connected, the probability that he would replace his telephone by a cell phone is 3/4. If P is the probability that the customer replaces the telephone by a cell phone, when the outgoing lines of the exchange are jammed then  is equal to
(where [ ]  denotes the greatest integer function)  
    Correct answer is '5'. Can you explain this answer?
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    In a certain town, the probability that, all the outgoing telephone li...
    Let A : be the event that the outgoing telephone lines are jammed.  
    B : be the event that the customer attempt telephone.  
    C : be the event that the customer replaces the telephone by a cell phone due to the failure caused by the jamming of telephone lines. 

    Here A and B are independent events, but A∩B and C are mutually dependent.   Required probability
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    In a certain town, the probability that, all the outgoing telephone lines are jammed, in the telephone exchange is 1/4. The probability that the customer will attempt to telephone is 3/20.If a customer telephones and it fails to get connected, the probability that he would replace his telephone by a cell phone is 3/4.If P is the probability that the customer replaces the telephone by a cell phone, when the outgoing lines of the exchange arejammed then is equal to(where [ ] denotes the greatest integer function) Correct answer is '5'. Can you explain this answer?
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    In a certain town, the probability that, all the outgoing telephone lines are jammed, in the telephone exchange is 1/4. The probability that the customer will attempt to telephone is 3/20.If a customer telephones and it fails to get connected, the probability that he would replace his telephone by a cell phone is 3/4.If P is the probability that the customer replaces the telephone by a cell phone, when the outgoing lines of the exchange arejammed then is equal to(where [ ] denotes the greatest integer function) Correct answer is '5'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about In a certain town, the probability that, all the outgoing telephone lines are jammed, in the telephone exchange is 1/4. The probability that the customer will attempt to telephone is 3/20.If a customer telephones and it fails to get connected, the probability that he would replace his telephone by a cell phone is 3/4.If P is the probability that the customer replaces the telephone by a cell phone, when the outgoing lines of the exchange arejammed then is equal to(where [ ] denotes the greatest integer function) Correct answer is '5'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a certain town, the probability that, all the outgoing telephone lines are jammed, in the telephone exchange is 1/4. The probability that the customer will attempt to telephone is 3/20.If a customer telephones and it fails to get connected, the probability that he would replace his telephone by a cell phone is 3/4.If P is the probability that the customer replaces the telephone by a cell phone, when the outgoing lines of the exchange arejammed then is equal to(where [ ] denotes the greatest integer function) Correct answer is '5'. Can you explain this answer?.
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