At a school's open house, T-shirts and sweatshirts were sold. Each item was purchased by either a student or a parent. The two-way frequency table summarizes a random sample of 60 items sold that night. Student Parent T-shirt 11 27 Sweatshirt 13 9. Let sweatshirt be the event that an item randomly chosen from among those sold was a sweatshirt. Let parent be the event that an item randomly chosen from among those sold was purchased by a p Find the following probabilities. Write your answers as decimals. (a) P(parent) =A (b) P(sweatshirt and parent) D: (C) P(sweatshirt | parent) = al,

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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.