Share
Explore BrainMass

Internet Sales

In a 1999 survey, 55 of 100 randomly selected companies reported Internet sales. In a 2000 survey, 63 of 100 randomly selected companies reported Internet sales. For the alternative hypothesis HA: π1 ≠ π2 at level of significance 0.10, what is the value for the unknown population proportion, the critical values, and the computed value of the test statistic? (Please see attachment for full question)

Attachments

Solution Preview

In a 1999 survey, 55 of 100 randomly selected companies reported Internet sales. In a 2000 survey, 63 of 100 randomly selected companies reported Internet sales. For the alternative hypothesis HA: p1 ยน p2 at level of significance 0.10, what is the ...

Solution Summary

In a 1999 survey, 55 of 100 randomly selected companies reported Internet sales. In a 2000 survey, 63 of 100 randomly selected companies reported Internet sales. For the alternative hypothesis HA: 1  2 at level of significance 0.10, what is the value for the unknown population proportion, the critical values, and the computed value of the test statistic?
a. 0.59,  1.645, 1.15
b. 0.55,  1.645, 1.15
c. 0.63,  1.15, 1.645
d. 0.59,  1.96, 1.15

$2.19