Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster. to determine customer opinion of their pricing, greyhound lines randomly selects 120 busses during a certain week and surveys all passengers on the busses.

Cluster Sampling

Step-by-step explanation:

In cluster sampling, researcher divides the population into groups ,which are called clusters. Then random sample of clusters are chosen ,and researcher conduct study to collect data about the population.

Here each bus is considered a cluster ,because busses are selected at random ,this sampling would be an example of cluster type of sampling.

2, 2, 2 or -4, 20, 29

step-by-step explanation:

there is two ways you can do it.

y∈r, 8> y≥0

hope i !

p.s the first bit only matters if you know what that means.

p.p.s brainliest would really