How to Find Probabilities using Two-Way Frequency Tables?
Finding Probabilities using Two-Way Frequency Tables Example 1: Brown Blue Green Total Male 50 17 9 76 Female 43 14 6 63 Total 93 31 15 139 a) \(\frac{number \ of students \ with \ green \ eyes}{number \ of \ students}=\frac{15}{139}\) b) \(\frac{number \ of \ females}{number \ of \ students}=\frac{63}{139}\) Finding Probabilities using […]
How to Solve Unknown Angles? (+FREE Worksheet!)
Solving for unknown angles. Example 1: Solving for unknown angles. Example 2: Solution: The two angles are a linear pair (from a straight line), so they must add to\(=180^{\circ}\) Write an equation based on what you know: \(x+42=180\) Solve the equation: \(x+42=180→x=180-42→x=138\) The missing angle is \(x=138^{\circ}\) Exercises for Solving for Unknown Angles Find the […]
