If P(A) = 0.5, P(B) = 0.25, and P(A ∩ B) = 0.2, then P(B | A) =_____.
a. 0.80
b. 0.75
c. 0.50
d. 0.40
b. Develop a confidence interval for the population mean (to 1 decimal).
c. Develop a confidence interval for the population mean (to 1 decimal).
d. What happens to the margin of error and the confidence interval as the confidence level is increased?
