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

question 76

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) 0.9306
• C) 0.1003
• D) 0.0694

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