A study was conducted to see if people who use the Internet have also paid to do

Question

A study was conducted to see if people who use the Internet have also paid to download music. In a representative sample of 769 adults who use admitted that they have paid to download music. Let p represent the true proportion of all Internet-using adults who have paid to download music. through g below. C. H_0: p notequalto 0.7 H_a: p = 0.7 D. H_0: p 0.7 F. H_0: p = 0.7 H_a: p notequalto 0.7 c. Compute the test statistic for part b. z = -3.03 (Round to two decimal places as needed) d. Find the refection region for the test if alpha = 0.10. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to three decimal places as needed.) A. z > B. z = C. z D. z

Explanation / Answer

This is one tailed test.

So rejection region is z < 0.10 level, Since calculated z score is negative , we need this z outside of 0.10 level

critical value interval (+/- 1.282).

That is

Z < - 1.282

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