Refer to the pew internet and american life project (april 2008) survey of the writing habits of u. s. teenagers. in a random sample of 700 teenagers, 448 admitted to using at least one informal element in school writing assignments. [ note : emoticons, such as using the symbol ": )" to represent a smile, and abbreviations, such as writing "lol" for "laughing out loud," are considered informal elements.] is there evidence to indicate that the rate of all u. s. teenagers have used at least one informal element in school writing assignments differs from 65%? test the relevant hypotheses using alpha 0 .05. what is the p-value? group of answer choices