[Solution] Use a normal approximation in the following problem. Use the continuity correction and interpolation (if needed). A survey revealed that 30%
Question: Use a normal approximation in the following problem. Use the continuity correction and interpolation (if needed). A survey revealed that 30% of the adult American population were regular users of alcoholic beverages. A random sample of 1000 adults is taken. Find the probability that
- exactly 300 are regular users.
- less than 280 are regular users.
- 316 or more are regular users.
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