The times of london reported on 4 January 2002 that Polish mathematicians recorded 140 heads in 250 spins (56%) of the Belgian one euro coin, suggesting that it was unbalanced; this touched off an international media frenzy. a. test the null hypothesis that the true probability of heads is equal to 0.5  b. Place a 95% confidence interval around the sample proportion

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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.