A Final Exam in Math 160 Has a Mean of 73

question 214

Multiple Choice

A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is less than 76.

• A) 0.0301
• B) 0.9699
• C) 0.8962
• D) 0.9203

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Definitions:

Stress

A response to physical, mental, or emotional pressure or tension resulting from adverse or demanding circumstances.

Principle Of Specificity

The concept that improvements in physical fitness or skill are specific to the exercises performed or skills practiced.

Activity

Physical or mental engagements performed by individuals, ranging from daily tasks to specialized exercises or hobbies.

Toe Test

A method to assess flexibility or balance by reaching towards or touching the toes without bending the knees.