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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 from two different factori ... See More
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
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
It can be use ful using normal distribution for contruction time duration.