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A group of employees of Unique Services will be surveyed about a new pension plan. In-depth interviews with each employee selected in the sample will be conducted. The employees are classified as follows. What is the probability that the first person selected is either in maintenance or in secretarial?
Probability of Success
The likelihood of achieving a desired outcome or result in an experiment or trial.
Normal Distribution
A bell-shaped data distribution where most observations cluster around the central peak and the probabilities for values further away from the mean taper off equally in both directions.
Sample Proportion
The fraction or percentage of a sample that exhibits a particular trait or attribute.
Population Proportion
The percentage of individuals in a population who share a certain characteristic or attribute.
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