A random sample of 100 observations results in 40 successes. a. What is the point estimate for
Question:
A random sample of 100 observations results in 40 successes.
a. What is the point estimate for the population proportion of successes?
b. Construct 90% and 99% confidence intervals for the population proportion.
c. Can we conclude at 90% confidence that the population proportion differs from 0.5?
d. Can we conclude at 99% confidence that the population proportion differs from 0.5?
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