Mathematics
Mathematics, 12.11.2019 23:31, caydence24

Apoll of 2,077 randomly selected adults showed that 92% of therm 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 xn sample p 95% ci 1909 2,077 0.9191140.907388,0.930840) 2.90 z-value p-value 0.004 a. is the test two-tailed, left-tailed, or right-tailed? two-tailed test right tailed test o left-tailed test b. what is the test statistic? the test statistic is (round to two decimal places as needed.)

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Apoll of 2,077 randomly selected adults showed that 92% of therm own cell phones. the technology dis...

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