The data shown here were collected via a phone survey in 2011 of 799 cell phones users of age 12 to 17 by the Pew Research Foundation. Number of text messages sent/received on a typical day 0 1-10 11-20 21-50 51-100 101+ If we select a person at random from this sample, % of teen cell phone users 1% 19% 12% 20% 18% ? a. what is the probability that the person responded that they texted more than 100 times in a typical day? Round to two decimal places. b. what is the probability that the person responded that they texted between 21 and 100 times a typical day? Round to two decimal places. c. what is the probability that the person did not respond that they never text? Round to two decimal places.

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