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A survey of 1,714 randomly selected adults showed that 632 of them have heard of a new electronic reader. The accompanying technology display results from a test of the claim that 39​% of adults have heard of the new electronic reader. Use the normal distribution as an approximation to the binomial​ distribution, and assume a 0.05  significance level to complete parts​ (a) through​ (e).


a.. Is the test​ two-tailed, left-tailed, or​ right-tailed?
b. What is the test​ statistic?
c. What is the​ P-value?
d. What is the null hypothesis and what do you conclude about​ it?
    --- identify the null hypothesis.
What is the final​ conclusion?

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