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

question 13

Multiple Choice

SCENARIO 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 sample 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 Scenario 9-8,the null hypothesis will be rejected if the test statistic is

• A)greater than 1.645
• B)less than 1.645
• C)greater than -1.645
• D)less than -1.645

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Definitions:

Ectoderm

The outermost of the three primary layers in an embryo, from which arises the nervous system, skin, and various sensory organs.

Neonate Adaptations

Physiological and anatomical changes a newborn undergoes to transition from intrauterine to extrauterine life, ensuring survival outside the womb.

Multiple Births

Multiple births occur when more than one baby is born from a single pregnancy, such as twins or triplets.

Germ Layer

One of the three primary layers of cells (endoderm, mesoderm, and ectoderm) in the early embryo that develop into all organs and tissues of the body.