My Math Forum Finding the average day per week

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 April 17th, 2017, 05:56 PM #2 Newbie   Joined: Apr 2017 From: Northwest Amexem Posts: 4 Thanks: 0 Better yet, can someone help me formulate this equation?
April 18th, 2017, 10:02 AM   #3
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Quote:
 Originally Posted by Nobel Bey Better yet, can someone help me formulate this equation?
the probability of having to labor on a given day is

$p=\dfrac{30}{53}$

the average days per week of labor is

$E[\text{days per week of labor}] = 7p = \dfrac{210}{53} \approx 3.96~day/week$

 April 18th, 2017, 04:31 PM #4 Newbie   Joined: Apr 2017 From: Northwest Amexem Posts: 4 Thanks: 0 Salaam Do you think one can also find the average days per week by dividing 53 days by 30 days of trade? Would that work or would I be finding weeks per day as opposed to days per week?
April 18th, 2017, 05:31 PM   #5
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Quote:
 Originally Posted by Nobel Bey Salaam Do you think one can also find the average days per week by dividing 53 days by 30 days of trade? Would that work or would I be finding weeks per day as opposed to days per week?
no.

weeks have nothing to do with the probability a day is used for work.

weeks simply enter into it as a multiplication factor of 7 since there are 7 days in a week.

 April 19th, 2017, 05:18 AM #6 Newbie   Joined: Apr 2017 From: Northwest Amexem Posts: 4 Thanks: 0 Thanks for your help romsek.

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