The time it takes Jessica to bicycle to school is normally distributed with a average of 20 minutes and a variance of 9 minutes. Jessica has to be at school at 8:15AM. What time should she leave the house so she will be late only 5% of the time?
The time it takes Jessica to bicycle to school is normally distributed with a average of 20 minutes and a variance of 9 minutes. Jessica has to be at school at 8:15AM. What time should she leave the house so she will be late only 5% of the time?