home work

ch study was conducted about gender differences in sexting, the sending of sexually explicit es or images by cell phone. A researcher believes that the proportion of girls sexting is less proportion of boys sexting and decides to collect data in the spring of 2010 among a sample of middle and high school students in a large school district in the southern United The researcher finds 156 out of 2, 169 girls are sexting and 183 out of 2,231 boys are sexting. enough evidence to support the researcher's belief that the proportion of girls sexting is n the proportion of boys sexting? Test at the 0.01 level of significance. nary: it safe to assume that girls