Do you have an insatiable craving for chocolate or some other food? Since many North Americans apparently do, psychologists are designing scientific studies to examine the phenomenon. In a survey of 1,000 McMaster University (Canada) students, 88% of the 600 women in the study acknowledged specific food cravings while only 71% of the men did.

Find a 96% confidence interval for estimating how much higher the proportion of women acknowledging specific food cravings is.