Use the Normal Approximation to Find the Indicated Probability $p$ , And

question 29

Multiple Choice

Use the normal approximation to find the indicated probability. The sample size is population proportion of successes is $p$ , and $X$ is the number of successes in the sample.
$$n = 77 , p = 0.33 : P ( X \leq 18 )$$

• A) 0.0418
• B) 0.0475
• C) 0.9525
• D) 0.0582

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