Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster. to determine customer opinion of their check dash in service, american airlines randomly selects 70 flights during a certain week and surveys all passengers on the flights. which type of sampling is used?

random sampling

Step-by-step explanation:

Given : To determine customer opinion of their check dash in service, American Airlines randomly selects 70 flights during a certain week and surveys all passengers on the flights.

Here probability for each flight to get selected is equal.

Therefore, a random sampling is used here.

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c

step-by-step explanation:

assuming this is from a math graphing problem.

7 would be on the x-axis which is the horizontal line on the graph

84 would be on the y-axis which is the vertical line on the graph