Normal Probability Assume the length of songs on the radio are normally distributed with a mean of 212 seconds and a standard deviation of 19 seconds. a) What percentage of songs on the radio are 200 seconds or shorter? b) What percentage of songs are at least 230 seconds long? c) If a song on the radio is selected randomly what is the probability thay it last between 188 and 208 seconds? d)A radio station wants to identify all songs thay are on the lowest 5% by length. how long would a song need to last to fall in this group?         (round your answer to nearest whole number)

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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.