CITY UNIVERSITY Date : 22nd February 2022 Course: BNML1182/DNML1182 BIOSTATISTICS Short Answer Questions [Total = 40 marks] Answer ALL questions. 1. Classify the following as quantitative or qualitative. a) The ages of a sample of 350 employees of a software company b) The zip codes of a sample of 200 customers at a sporting goods store c) The colour of new Honda in the car lot. d) The revenues of the companies on the Fortune 500 list e) The marital statuses of all professional golfers [10 Marks] 2. The following table shows the ages of competitors in a charity tennis event in Rome: 43 18 19 22 21 31 21 23 18 Find the: a) mean b) median C) mode range variance f) standard deviation. [15 Marks] 3. Let the random variable Z follow a standard normal distribution. Find a) P(z