A vaccine has a 90% probability of being effective in preventing a disease. the prob. of getting the disease if the person isnt vaccinated is 50%. Suppose 25% of people get vaccinated of the population. if a person is selected at random find the prob. that they will contract the disease.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.