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probability of salary arriving on a friday

 
Jesus Angeles
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This one is easy; just came up on a lazy prod support 3rd shift.

Most of us get paid twice a month. And if the 15th or end of month falls on a weekend, the salary is paid on the friday.

Why is it that it seems that salary arrives more often on friday than any other day?

Show the reason why, as a probability.
 
Sam Codean
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Probability of Salary Day being a Monday = 1/7
Probability of Salary Day being a Tuesday = 1/7
Probability of Salary Day being a Wednesday = 1/7
Probability of Salary Day being a Thursday = 1/7
Probability of Salary Day being a Friday = prob(Fri) + Prob (sat) + Prob(Sun)
= 1/7 + 1/7 + 1/7
= 3/7

Hence you feel that the salary mostly arrives on a Friday
 
Jesus Angeles
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I think so too. Too easy isnt it?
 
Sam Codean
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Frankly, Yes
 
Shaan Shar
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Yes this is the right solution that's why we usually thinks that we get our salary mostly on friday.










For new upcoming salary which I really got this month also on Friday. So that's why we use to celebrate "Good Friday.
Isn't it.
 
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