In a Study of Chain Saw Injuries, 57 Percent Involved

question 14

Multiple Choice

In a study of chain saw injuries, 57 percent involved arms or hands. If three different chain saw injury cases are randomly selected, find the probability that they all involved arms or hands.

• A) 0.570
• B) 0.190
• C) 0.185
• D) 0.829
• E) 0.325

---

Definitions:

Standard Normal Distribution

A probability distribution that has a mean of 0 and a standard deviation of 1.

Greater Than

A mathematical expression indicating that one quantity is larger than another.

Z-scores

Standardized scores that measure how many standard deviations a data point is from the mean, used for comparison across different data sets or variables.

Standard Normal Distribution

A normal distribution with a mean of 0 and a standard deviation of 1.