Use the Following Information to Answer the Question

question 7

Multiple Choice

Use the following information to answer the question. A sprint duathlon consists of a 5 km run, a 20 km bike ride, followed by another 5 km run. The mean finish time of all participants in a recent large duathlon was 1.67 hours with a standard deviation of 0.25 hours. Suppose a random sample of 30 participants in the 40- 44 age group was taken and the mean finishing time was found to be 1.62 hours with a standard deviation of 0.40 hours.
-Suppose the process of taking random samples of size 30 from the 40- 44 age group is repeated 200 times and a histogram of the 200 sample means is created. Which statement best describes the shape of the histogram?

• A)The histogram will be roughly bell- shaped.
• B)The histogram will be unimodal.
• C)The histogram will be roughly symmetrical.
• D)All of these statements are true.

Comprehend the economic disparities and social structures resulting from industrialization, including the concept of an American aristocracy based on wealth inequality.

Understand the demographic shifts and labor dynamics of the period, including the major sources of labor and the conditions under which they worked.

Analyze the motivations and effects of immigration to the United States during this period.

Recognize the expansion of blue-collar work and its driving factors between 1870 and 1910.

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Definitions:

Plane Joint

A type of synovial joint that allows sliding movements, as seen between the carpal bones of the wrist.

Vertebrae

The individual bones that make up the vertebral column (spine), providing structural support and protecting the spinal cord.

Bowing Head

A physical gesture of lowering the head and torso slightly as a sign of respect, submission, or acknowledgment.

Hyperextension

An excessive extension of a limb or joint beyond its normal range of motion, often leading to injury.