414 divided by 2= 207
divided by 2 because two times the number
207 hamburgers sold
25365cm÷100=m
=253.65m
25365 is less than 30m
3 pairs of choices give rise to 2^3 = 8 possibilities:
.. bus, full, morning
.. bus, full, afternoon
.. bus, concession, morning
.. bus, concession, afternoon
.. train, full, morning
.. train, full, afternoon
.. train, concession, morning
.. train, concession, afternoon
Since the sample size is too small (n = 9, which is less than 10) we cannot use the normal model to describe the entire population.
Therefore, we expect the sample mean to be different from the population mean.
Adding all these numbers together, you should get 30.25 ft.
