A random sample of size n = 196 yielded p = .64. a. Is the sample size

Question:

A random sample of size n = 196 yielded p̂ = .64.
a. Is the sample size large enough to use the methods of this section to construct a confidence interval for p? Explain.
b. Construct a 95% confidence interval for p.
c. Interpret the 95% confidence interval.
d. Explain what is meant by the phrase "95% confidence interval."

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