An Observer, Standing on Level Ground, 115 Feet from the Bottom

question 40

Multiple Choice

An observer, standing on level ground, 115 feet from the bottom of a tower, looks at the top of the tower and notices that his angle of elevation is 0.5 radians. Estimate the height, h, of the tower, rounding your answer to the nearest tenth.

• A) h = 62.8 feet
• B) h = 75.3 feet
• C) h = 81.1 feet
• D) h = 86.9 feet

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Definitions:

Control Limits

Boundary values in control charts that signify the maximum acceptable range within which a process variation is considered stable or in control.

Control Limits

The boundaries in process control that define the acceptable range for a process or system's performance to stay within statistical control.

Sample Statistics

Quantitative data calculated from a subset of a population, such as the mean or variance.

Control Limits

Statistical boundaries in process control that indicate the maximum and minimum values expected for a stable process performance.