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There are 365.25 days a in year. (.25) for the leap year which has 366 days in the year every four years.There are 30 days in May. So to find the probability that one of them was born in May your odds would be 30 opportunities in 365.25 or 30/365.25 = .082135. Basically the odds … Read more
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Rather than counting large and variable groups which change, such as all the people in the United States, perform sampling. Sampling can save time, resources and actually be more accurate than counting which is usually the alternative to sampling.
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Sampling is where you take a portion of a larger group and use it to provide information about the group. It works for some purposes because of the law of large numbers and law of proportionality and law of ratios, all statistical laws. For example. Suppose you have a drawer filled with socks. You don't … Read more