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:

Triglyceride

A type of fat molecule consisting of three fatty acids linked to a glycerol backbone, stored in the body's fat cells.

Wax

A broad group of organic substances that are solid at room temperature but melt upon heating, often used as protective coatings or in candle making.

Organic Compound

Organic compounds are chemicals that contain carbon bonded to other elements, particularly hydrogen, and are found in living organisms.

Polyunsaturated

Referring to fat molecules having more than one unsaturated carbon bond in the molecule, found in various oils and fatty acids.