Problem 2. An investigator of a case of food poisoning found that the amount of salmonella in every serving of food is normally distributed with an average of 3.7 colony forming units per gram (cfu/g) and a standard deviation of 1.19 cfu/g. What is the probability that a selected serving has atleast 4.2 cfu/g of salmonella? STEPS SOLUTION 1. Identify the given information. 2. Identify what is ask for. 3. Identify the formula to be used. 4. Solve the problem. 5. State the final answerl. Show complete process. Problem 1. Shlnwa Company claims that the life of their battery products is approximately normally distributed With a mean length of 8 hours of battery life when used in DC "\"397" with the standard deviatiOn of 3.8 hours. What is the probability that a sample of 10 batteries will have a mean lifespan of less than 6 hours in DC motors? _ identify the given information. Identify what ls ask for. 3. 4. Solve the problem. 5. State the nal