You record the noise level to the nearest decibel every minute for an hour in the following table. Calculate each cumulative relative frequency value then answer the question below the table Round each value in the table to 2 decimal places. Noise Level (dB) Frequency |Cumulative Relative Frequency 59.5 64.5 17 Number 64.5 69.5 16 Number 69 5 74.5 20 Number 74 5 79.5 12 Number 79 5 84.5 5 Number 84 5 89.5 17 Number 89 5 94 5 10 Number 94 5 99.5 5 An employee was exposed to noise 85 dB or greater approximately Number % of the time. Round to 1 decimal place