MathCastle
StatisticsMediumData and Displays

Data and Displays · Medium problem

A frequency table of test scores has the bins 6060–6969: 22, 7070–7979: 33, 8080–8989: 66, 9090–9999: 1212, 100100–109109: 22. What percent of the scores are 7070 or higher? Express your answer as a decimal.