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I am not sure if this answers your question exactly, but because both equations are equal to "u" than you can equal them to each other.
It would be the last answer because you are setting them equal to each other.
It would be the last answer because you are setting them equal to each other.
Answer:
And replacing we got:
And for this case the standard error assuming normality would be given by:
And replacing we got:
Step-by-step explanation:
For this problem we know the following notation:
represent the sample size selected
represent the number of airplane travelers who after a flight would fly that airline again
The estimated proportion for this case would be:
And replacing we got:
And for this case the standard error assuming normality would be given by:
And replacing we got: