An airline would like information on which seat is preferred by customers. The airline assumes the majority of customers prefer the window seat, and is looking for evidence to support that claim. The results of a simple random sample of customer seat preference is shown below.

window seat - 100

observation - 400

confidence level - 0.9

critcal value - 1/28

test stat 0.8

p vaule - 0.2119

Solve - idenitfy the population parameter- pick one ( is it number of window seats

number sampled

portion of window seat

or portion of sample )

what conditioning for using a z distribution is met?

level of significance ?

what is null hypth HO ?

what is the altern. hypothosis Ha?

should HO be rejected or does H fail to be rejected ?

what conclusion can we draw from data?( insufficient or sufficient )