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A poll of 2 , 1 6 6 randomly selected adults showed that 9 1 % of them own cell phones. The technology display below
A poll of randomly selected adults showed that
of them own cell phones. The technology display below results from a test of the claim that of adults own cell phones. Use the normal distribution as an approximation to the binomialdistribution and assume a significance level to complete partsa throughe Is it twotailed, lefttailed, or righttailed
What is the test statistic?
What is the p value?
What is the null hypothesis
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