Estimate the Indicated Probability by Using the Normal Distribution as an Approximation

question 88

Multiple Choice

Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution.
-A certain question on a test is answered correctly by 22% of the respondents. Estimate the probability that among the next 150 responses there will be at most 40 correct answers.

• A) 0.1003
• B) 0.0694
• C) 0.8997
• D) 0.9306

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Definitions:

Impediments

Obstacles, barriers, or factors that hinder progress or achievement of a goal.

Person Analysis

A process in human resources and training to identify employees' developmental needs by evaluating their current competencies and performance levels.

Performance Feedback

Information provided to employees about their work performance and areas for improvement.

Primary Variable

A key factor or element that holds a central importance in a statistical analysis or research study.