Question 5 You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 30 bacteria reveals a sample mean of = 80 hours with a standard deviation of s 6.4...

Extracted text: Question 5 You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 30 bacteria reveals a sample mean of = 80 hours with a standard deviation of s 6.4 hours. You would like to estimate the mean lifespan for this species of bacteria to within a margin of errar of 0.4 hours at a 98% level of confidence. What sample size should you gather to achieve a 0.4 hour margin of error? Round your answer up to the nearest whole number. bacteria Question Help: O Video Submit Question