Resit Assignment MNGT 212: Statistical Methods for Business BBA - III Sem Marks: 100 Weight: 10...

Resit Assignment MNGT 212: Statistical Methods for Business BBA – III Sem Marks: 100 Weight: 10 _____________________________________________________________________________________ Q. 1 A machine that fills bottles is known to have a mean filling amount of 125 grams and standard deviation of 20 grams. A quality control manager took a random sample of filled bottles and found the sample mean to be 130. The quality control manager assumed the sample must not be representatives. Is the conclusion correct? (25 Marks) Q. 2 The president of the American Dental Association wants to determine the average number of times that each dentist’s patients floss per day. Towards this end, he asks each of 100 randomly selected dentists to poll 50 of their patients at random and submit the mean number of flossing per day to the ADA. These numbers are computed and submitted to the president. Has he been given a sample from the population of patients or from some other distribution? (25 marks) Q. 3 What is Probability distribution? Explain the types of Probability distribution s and their real life applications (50 Marks) ______________________ _______________________________________________________________