poisson conception IAI question number 4 c year may 2012

Discussion in 'CT4' started by SURESH SHARMA, Jul 30, 2017.

  1. SURESH SHARMA

    SURESH SHARMA Member

    Dear Team ,

    please clarify in one poisson sum it ask that the consultant would like to meet atleast 8 client .

    so i have used the probability as p(x>=8)= 1-p(x=7)

    is it correct , as the answer in the book coming as 98.5%

    my answer is coming as 99.7%

    please clarify

    regards
    suresh sharma
     
  2. Mark Mitchell

    Mark Mitchell Member

    It looks like you've not allowed for the condition that there need to be at least 2 people waiting before the consultant proceeds to meet a client.

    So, in order to ensure that the consultant meets at least 8 clients in the next three hours, 10 clients are required to visit the lawyer’s office in that time period.
     

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