A poll of 2,096 randomly selected adults showed that 93% of them own cell phones. The technology display below results from a test of the claim that 90% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.05 significance level to complete parts (a) through (e). Test of p = 0.9 vs p#0.9 Sample X Sample p 0.928435 N 95% CI Z-Value P.Value 1946 2,096 (0.917400,0.939470) 4.34 0.000

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