Microsoft Word - Assignment 4 Part 2_V2

Microsoft Word - Assignment 4 Part 2_V2

Question 3. (6 Points) The inorganic mercury content in a single cigarette of a particular brand is a random variable with mean 25 ng and a population standard deviation of 12 ng. A random sample of n = 100 cigarettes is taken for analysis. sample mean= (25,1.2)

b) (2 points) The inorganic mercury content for a cigarette is considered high when the content is greater than 29 ng. What is the probability that the resulting sample mean content will be greater than 29 ng?