The speed of vehicles that travel along ECP is normally distributed with a mean of 90km/h and a standard deviation of 15km/h. Determine with appropriate calculations if you agree or disagree with the statement that “less than 5% of the population items lies beyond 2 standard deviations from the population mean.”

The speed of vehicles that travel along ECP is normally distributed with a mean of 90km/h and a standard deviation of 15km/h. Determine with appropriate calculations if you agree or disagree with the statement that “less than 5% of the population items lies beyond 2 standard deviations from the population mean.”