Question

Accu-Rating has just released its webcast report for last month. The report details the aggregate tuning hours (ATH) for the top 20 radio stations broadcast over the web. (The ATH for a station is the sum total of all hours that listeners tuned to the station.) The report displays the following histogram: Frequency 6 4 4 2 01/ 200 1000 1200 400 600 300 ATH (in thousands of hours) Based on the histogram, find the proportion of ATHS in the sample that are greater than or equal to 1000 thousand hours. Write your answer as a decimal, and do not round your answer.

Answer 1

> solution ! The data written from histogrami Classes (ATH) 200-400 600 frequency 4 3 3 كما Gao 800 800 1000 7 3 1200 Total 20 find the that thousand proportion of ATH in the same greater than equal to 1000 hours. i. e. To find el X > Todo P(x3, 1000) 3 20 - o.15 PC x2, 1000) 0.15 CS scanned with Comanner