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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
The normal curve is a symmetrical bell- shaped curve representing probability density function of a normal distribution. The area of a vertical section of the curve repre ... See More
In probability theory, the normal (or Gaussian) distribution is a very common continuous probability distribution. Normal distributions are important in statistics and ar ... 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
If A is the event that persons have birthday at the same day then A' be the event that they have not, P(A') = (/)x(/) =/ then probability of birthday at the sam ... See More
If A is the event that persons have birthday at the same day then A' be the event that they have not, P(A') = (/)x(/) =/ then probability of birthday at the sam ... See More
If A is the event that persons have birthday at the same day then A' be the event that they have not, P(A') = (/)x(/) =/ then probability of birthday at the sam ... See More