The probability distribution for the number of heads in 4 tosses of a coin is given by Number of Heads Probability 3. 0.2500 4. 0.0625 0.0625 0.2500 0.3750 Let X represent the number of heads. The probability of at least one tail is given by а) РX 2 3). b) Р(X S 3). с) Р(X < 3). d) РX> 3).

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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.