Answer:
C. Many of the people selected to participate in the survey who do not respond might have opinions different from those who do respond.
Step-by-step explanation:
The survey is said to be biased by non-response survey if many people did not respond to the survey this might be much affected the result of survey.
The reason that people might be refuse to participate in the survey that survey may include any embarrassing information, illegal activities or personal details so many people did not respond to the survey. Also these peoples has different opinion from other peoples who respond in the survey. Thus this cause biased.
Answer:
maybe 120
Step-by-step explanation:
If you get this wrong sorry
Answer: Commutative Property
Step-by-step explanation: In Picture.
Answer:
40
Step-by-step explanation:
anything percent out of 100 is the same number without percent
12*9= 108
4.5*4.5= 20.25
180-20.25= 159.75
answer is D