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

question 147

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

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Definitions:

Worst Scenario

The most adverse or negative outcome that can be envisioned in a given situation, often used in planning or risk assessment.

Adversary

A person, group, or force that opposes or attacks; opponent; enemy.

Advocacy

The act of supporting, defending, or arguing in favor of a cause, policy, or group of people, typically in a political or social context.

1940s

The decade spanning from January 1, 1940, to December 31, 1949, marked by significant events such as World War II.