(I the Proportion of the Area Under a Normal Curve

question 7

Multiple Choice

(i. The proportion of the area under a normal curve to the right of z = -1.21 is 0.8869. (ii) The proportion of the area under a normal curve to the left of z = 0.50 is 0.6915.
(iii) The proportion of the area under a normal curve to the left of z = -2.10 is 0.0179.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (ii) and (iii) are correct statements but not (i).

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Definitions:

Message Order

The sequence in which messages are arranged and delivered in communication.

Source Credibility

The level of trustworthiness, expertise, and reliability attributed to the origin of information or the speaker.

Peripheral Route

A method of persuasion that relies on superficial cues or peripheral details to influence attitudes, rather than direct, logical argumentation.

Central Route Persuasion

A method of persuasion that involves deeply processing the content of a message, focusing on the arguments and evidence presented.