Math Problem Statement
Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute. Answer the following questions. Question content area bottom Part 1 What are the values of the mean and standard deviation after converting all pulse rates of women to z scores using z equals StartFraction left parenthesis x minus mu right parenthesis Over sigma EndFraction ? mu equals enter your response here sigma equals enter your response here Part 2 The original pulse rates are measured with units of "beats per minute". What are the units of the corresponding z scores? Choose the correct choice below. A. The z scores are measured with units of "beats." B. The z scores are measured with units of "minutes per beat." C. The z scores are measured with units of "beats per minute." D. The z scores are numbers without units of measurement.
Solution
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Math Problem Analysis
Mathematical Concepts
Normal Distribution
Z-scores
Standardization
Formulas
z = (x - μ) / σ
Theorems
Standard Normal Distribution
Suitable Grade Level
Grades 9-12
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