1. The following data gives a one year's energy consumption for a sample of households in the Nairobi.

66 62 80 10265 59 10375 112153142 83 55 66 98 77 51 67 125 50 136 55 83 96 10059 12580 72 11289 54 96 78 125 101 152 65 71

Let be the random variable representing the energy consumption. The probability distribution of the energy consumption is approximately normal. How much energy should a given family consume for it to be in the top 73%?