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Offices in Delhi Are Open for Five Days in a Week (Monday to Friday). Two Employees of an Office Remain Absent for One Day in the Same Particular Week. Find the Probability that - ICSE Class 10 - Mathematics

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Question

Offices in Delhi are open for five days in a week (Monday to Friday). Two employees of an office remain absent for one day in the same particular week. Find the probability that they remain absent on: 

the same day

Solution

Total number of possible outcomes=`5xx5=25` 

The possible outcomes are : 

MM,MT,MW,MTh,MF,TM,TT,TW,TTh,TF,WM,WT,WW,WTh,WF,ThM,ThT,ThM,ThT,Thw,ThTh,THF,FM,FT,FW,FTh,FF 

Favorable outcome for two employees remaining absennt on same day are: MM,TT,WW,ThTh,FF 

Number of favorable outcome = 5 

P(same day) `= 5/25=1/5`

  Is there an error in this question or solution?
Solution Offices in Delhi Are Open for Five Days in a Week (Monday to Friday). Two Employees of an Office Remain Absent for One Day in the Same Particular Week. Find the Probability that Concept: Probability - A Theoretical Approach.
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