A researcher wants to know how long it takes, on average, for a certain species of bacteria to divide. She watches 15 cells through a microscope and times how long it takes them to divide. She obtains...

Extracted text: A researcher wants to know how long it takes, on average, for a certain species of bacteria to divide. She watches 15 cells through a microscope and times how long it takes them to divide. She obtains the following data, in hours: 7.8, 8.3, 8.5, 4.8, 8, 8.5, 9, 7.1, 9.1, 8.6, 9, 6.5, 5.7, 7.1, 6.3 Assuming the population standard deviation is o = 1.1, construct a 87% confidence interval for the average time it takes this species of bacteria to divide. Margin of Error: E = We are 87% confident that this species of bacteria takes, on average, between hours and hours to divide. Question Help: D Post to forum