Can the Central Limit Theorem be used to find a good approximations of the proba

Question

Can the Central Limit Theorem be used to find a good approximations of the probability that more than 15% of the children will be nearsighted? Which of the following statement(s) is not true? I. Relative to the population, the sample is not large enough. II. The sample does not need to be randomized since all children are likely to have vision problems. III. Sample size should be large enough so np>10 and nq>10. This condition is met. • A. II and III • B. I and II • C. I only • D. I and III Reset Selection Mark for Review What's This?

Explanation / Answer

Statement first and are not true statement.

While sample size must be greater so that np>10 and nq>10 must be satisfied.

Sample size must be large enough relative to the population.

So option b is correct one.

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