Answer:
Event not unlikely
Step-by-step explanation:
Probability is defined as the likelihood of an event occurring.
Total outcome,
=Total responses record which is:
Therefore the probability of 4+ phones is
Since 
, the event is not unlikely
The surveyor selects the twentieth student who enters the building. The student do not enter the building to be surveyed but for other reasons and the researcher take advantage of that and selects them. This is a form of continence sampling.
The researcher selects every twentieth student and not any other. Therefore, the sampling is systematic in nature.
Finally, students selected to participate in the survey are free to choose if to participate in he survey or not. Therefore, it is voluntary kind of sampling.
Therefore, the applicable sampling methods are convenience, systematic, and voluntary.
Answer:
Google mid point formula and plug in your variables
Step-by-step explanation:
hope this helps :)
Ahhhhhhhh why are people so smart
