(Books My library > MAT 240: Applied Statistics home > 7.1: Hypothesis test for a population proportion |E zyBooks cal X Expected: z = 1.06 The zstatistio is calculated using the formula 2 = H. PooPo) TL 85 of 124 customers surveyed were satised, so the sample proportion is = % m 0.685, The hypothesized proportion is p0 = 0.64 and the number of people surveyed is n = 124, Therefore, A i 0 64 z = P P0 = 124 ' youPo) 0.64(10.64) n 124 z 1.06 Feedback?