Exhibit 10

question 80

Multiple Choice

Exhibit 10.13.A consumer magazine wants to figure out which of two major airlines lost a higher proportion of luggage on international flights.The magazine surveyed Standard Air (population 1) and Down Under airlines (population 2) .Standard Air lost 45 out of 600 bags.Down Under airlines lost 30 of 500 bags.Does Standard Air have a higher population proportion of lost bags on international flights? Refer to Exhibit 10.13.What is the appropriate conclusion at the 5% significance level?

• A)Reject ,we can conclude that the proportion of lost luggage is higher for Standard Air than Down Under Airlines.
• B)Reject ,we cannot conclude that the proportion of lost luggage is higher for Standard Air than Down Under Airlines.
• C)Fail to reject ,we can conclude that the proportion of lost luggage is higher for Standard Air than Down Under Airlines.
• D)Fail to reject

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Definitions:

D-Aldopentose

A five-carbon sugar (pentose) with an aldehyde group, distinguished by its orientation in the Fischer projection that matches the D-family of sugars.

Ruff Degradation

A chemical process used to determine the structure of sugars by oxidatively breaking them down into smaller molecules.

D-Allose

An aldohexose sugar, similar to glucose but with a different arrangement of hydroxyl groups, that is a rare naturally occurring monosaccharide.

Methyl β-D-Glucopyranoside

A methyl ether derivative of glucose where the hydroxy group at the anomeric carbon is replaced with a methyl group, forming a β-configuration.