Are men and women equally likely to say that a major reason they use Facebook is to share with many people at once? A survey reported that 42% of men (193 out of 459 sampled) and 50% of women (250 our of 501 sampled) said that a major reason they use Facebook is to share with many people at once. (Data extracted from “6 new facts about Facebook,”). At the 0.05 level of significance, is there evidence of a difference between men and women in the proportion that say that a major reason they use Facebook is to share with many people at once?

Please right out equation too