For Questions , Use the Following Narrative

Essay

For Questions , use the following narrative
Narrative: cell phone owners
Suppose numerous random samples of size 2,500 are taken from a population made up of 20% cell phone owners.
-{Cell phone owners narrative} Suppose you took a random sample of size 2,500 from this population and found that 17.6% of them owned a cell phone.Is this considered to be a reasonable value given the size of this sample? Use the standardized score in your answer.