Listen 30 Find the confidence interval: V For the past several years, the mean number of people in a household has been declining. A social scientist believes that in a certain large city, the mean number of people per household is less than 2.5. To investigate 33 this, she takes a simple random sample of 150 households in the city, and finds the sample mean number of V people is 2.3 with a standard deviation of 1.5. Find the confidence interval for the population mean at a 99% confidence level. Round your naswers to 2 decimal places. 36 Blank # 1 A/ Blank # 2 39