1. Explain (1) what is wrong with each of the following randomization procedures and (2) describe how you would do the randomization correctly. You should use your notes and think about things like sampling bias, and proper randomization schemes we discussed in the notes and how to employ them.
   1. Ten subjects are to be assigned to two treatments, 5 to each. For each subject, a coin is tossed. If the coin comes up heads, the subject is assigned to the first treatment; if the coin comes up tails, the subject is assigned to the second treatment.