Among the voters in a certain precinct of Dallas, 80% are Democrats. (Hint: Binomial distribution, Democrats or not). d) If ten voters are selected at random, determine the probability that: At least 4 are Democrats. e) What is the expected number of Democrats in a sample of size 25? f) What is the standard deviation for part (d)?

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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.