The commissioner randomly selects 2 teams from all 30 mlb teams and has everyone on that team drug tested. systematic stratified cluster none of these. does this qualify as a random sample?
a. yes
b. no
c. not enough information

This is example of cluster sampling.

Step-by-step explanation:

The commissioner randomly selects 2 teams from all 30 MLB teams and has everyone on that team drug tested.

This is an example of Cluster sampling.

Cluster sampling is a sampling method, where population is divided into clusters and then each sample from a selected cluster is sampled.

Yes this is also a random sample.

hey! so 1 (25) out of 4 (100) is 25 so your answer is 25%. it's like quarters!

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)