Solve the Problem. -In a Certain Population, Body Weights Are Normally Distributed with Normally

question 50

Multiple Choice

Solve the problem.
-In a certain population, body weights are normally distributed with a mean of 152 pounds and a standard deviation of 26 pounds. How many people must be surveyed if we want to estimate the percentage who weigh
More than 180 pounds? Assume that we want 96% confidence that the error is no more than 4 percentage points.

• A) 317
• B) 501
• C) 232
• D) 658

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Definitions:

Maxim

A concise and general principle or rule of conduct, often serving as a guideline for behavior.

Hypotheticals

Hypotheticals refer to situations or scenarios that are imagined or speculated about, often used in reasoning or in discussing possible outcomes.

Principle

A basic principle or statement that forms the basis for a belief system or for logical thinking.

Rational

The quality of being based on or in accordance with reason or logic, often related to the ability to think, understand, and form judgments by a process of logic.