How would i solve question number 2?

1. The NFL is concerned about the possibility of drug abuse by its players. They decided to check on the extent of the problem by having a random sample of the athletes undergo a drug test Several plans for choosing the sample are proposed. Name the sampling strategy in each. a. Randomly select a position played and test all the people who are listed on team rosters as holding that position - simple quarterbacks, wide receivers, strong safetys, linebackers, etc. b. Choose the fifth person that walks into the locker room for practice for each team. systematic c. There are multiple different positions on the team. Sort by position played and then randomly select 10 people from each category. Stratified d. Each player has 3-digit tax identification number for the purpose of salary information. Randomly choose 100 numbers. simple 2. Explain why the first plan suggested above, sampling an entire position, might be biased. Be sure to name the kind(s) of bias you describe. 3. Listed below are the names of twenty wide receivers in the NFL. Use the random numbers listed below to select four of them to be in your sample. Clearly explain your method. Roy Williams | 2 Terrell Owens> 3 Chad Johnson 14 Antwaan Randle El Marvin Harrison 6 Deion Branch 7 Plaxico Burress 18 Donald Driver Santana Moss D Jerry Porter / Randy Moss Donte Stallworth Limas Sweed 14 Amani Toomer //S Hines Ward 16 Reggie Wayne Reggie Brown 18 Isaac Bruce |4 Joe Jurevicius 2) TJ Houshmandzadeh 18192 95318 62975 1791 29958 09275 89141 61909 Every player is given a number & is selected from double digits for the first four players