In 2012 the percent of American adults who owned cell phones

In 2012, the percent of American adults who owned cell phones and used their cell phone to send or receive text messages was at an all-time high of 80%. Assume that 80% refers to the population parameter. More recently in 2015, a polling firm contacts a SRS of 1200 people chosen from the population of cell phone owners to confirm the percent who use their phone to text. find mean, shape, standard deviation.

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