For each of the following scenarios in Exercises 47 and 48, indicate (a) whether randomization is present, and (b) whether sufficient replication has been made.
47. A total of 100 subjects with high LDL cholesterol levels are randomly assigned to receive a new medication or the traditional medication.
1.3.47
(a) Randomization is present for the 100 randomly assigned subjects but not for the subject with high LDL cholesterol levels. (b) The sample of 100 people is probably enough replication.