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

question 115

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 2 percentage points.

• A)923
• B)1267
• C)2001
• D)2628

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Definitions:

Year 1

The first year in a given time period, often used as a baseline for analysis in financial contexts or project planning.

Variable Costing

An accounting method that considers only variable production costs (materials, labor, and overhead) in the cost of goods sold and excludes fixed costs.

Operating Loss

This occurs when a company's operating expenses exceed its gross profits, indicating that the business operations are not profitable.

Year 1

Indicates the first year of a specific period of time, operation, or accounting period, setting the baseline for subsequent years.