There has been a rapid increase in the use of electric scooters (e-scooters) for short-distance commuting on university campuses. While convenient, concerns are frequently raised regarding safety behaviors, particularly the use of protective helmets.
A researcher conducted an observational study on a busy university campus to investigate e-scooter rider safety and to determine whether helmet use differed by age group. The collected observational data is shown in the table below.
| Age Group | Wearing a helmet | Not wearing a helmet |
|---|---|---|
| Under 25s | 42 | 78 |
| 25 and over | 56 | 24 |
Calculate the overall percentage of observed e-scooter riders who were wearing a helmet. Show your workings.
