A poll of 2,090 randomly selected adults showed that 89% of them own cell phones, The technology display below results from a test of the claim that 94% of adults own cell phones use the normal distribution as an approximation to the bionomial distribution and assume a 0.5 significance level to complete part a through part e Sample 1, x 1866, Sample P 0.892823, 95%(0.879561,0.906085), z value -9.08, p-value 0.000
