According to data on the state of iowa, the amount of water used for cooking per household per month is normally distributed, with a standard deviation of 10.4 liters. a survey was carried out to estimate the population mean. with a sample size of 60 households, the mean quantity of water used for cooking was found to be 62.6 liters. what can we say about the population mean? 1. there is a 95% chance that the population mean would lie between 59.91 liters and 65.29 liters. 2 there is a 95% chance that the population mean would lie between 61.11 liters and 65.09 liters.