Choose the "Home" tab.
Click "New slide."
Click the picture of the comparison slide. PowerPoint will insert the comparison slide into your presentation.
Click "Title" and write the title for your slide. For example "Boys vs. Girls in Math."
Click the left subtitle "Click to add text." Enter the subtitle for one of your probabilities. For example, "Girls."
Click the left picture area. Insert a chart, graph, or picture of your probability by clicking on the picture area and choosing the file. Or click the "Click to add text" area and write the probability. For example, "10%."
Repeat Steps 5 and 6 for the right side of the comparison slide.