Which of the following sampling techniques gives each member of the population an equal chance of being selected to participate?

Out of the sampling techniques, the simple random sampling technique gives each member of the population an equal chance of being selected to participate.

Explanation:

what organizations did you select

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.