TABLE 9-8
One of the biggest issues facing e-retailers is the ability to turn browsers into buyers. This is measured by the conversion rate, the percentage of browsers who buy something in their visit to a site. The conversion rate for a company's website was 10.1%. The website at the company was redesigned in an attempt to increase its conversion rates. A samples of 200 browsers at the redesigned site was selected. Suppose that 24 browsers made a purchase. The company officials would like to know if there is evidence of an increase in conversion rate at the 5% level of significance.
-Referring to Table 9-8, the value of the probability of committing a Type II error β is 0.95.

Question

Quizplus · Accepted Answer

The probability of committing a Type II error (β) is not 0.95. This value would imply an extremely low power of the test, which is unlikely in a typical hypothesis testing scenario. The actual β would need to be calculated based on the test's power and the specific alternative hypothesis.

TABLE 9-8 One of the Biggest Issues Facing E-Retailers Is the Ability