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The means and variances of weekly incomes in rupees of two samples of two workers are given in following table, the sample being randomly drawn?‎

The means and variances of weekly incomes in rupees of two samples of two workers are given in following table, the sample being randomly drawn from two different factori‎ ... See More

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1. Two coins and a die are tossed simultaneously. find the probability?‎

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Two person in the same room what is the probability of having their birthday in same day? ‎

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Probability Analysis - How it useful in construction industry?‎

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What is the probability of getting at most one head when 2 coins are tossed simultaneously?‎

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What is a Normal curve?‎

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Two coins are tossed. What is the probability of getting at most two heads? ‎

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Answer added by  Deleted user
6 years ago

If two coins are tossed the possible outcomes are HH,HT,TH,TT. Here H denotes head and T denotes tail. At most 2 heads means 2 or less than 2 Heads in a outcome. So here ... See More

 

Answer added by  Deleted user
7 years ago

your sample is randomly drown if and only if the workers are randomly selected with no regard to any categorized lists (i.e. average income, department, speciality, age, ... See More

 

Answer added by  mahindaratne pahalawattaarachchige, Visiting Lecturer,Sri Lanka Institute of Advance Technological Educstion., Sri Lanka Institute For Advance Technological Education,Kurunagala,Sri Lanka.
8 years ago

It can be use ful using normal distribution for contruction time duration.