Using = .04, a confidence interval for a population proportion is determined to be .65 to .75 . If the level of significance is decreased, the interval for the population proportion _____.
a. becomes narrower
b. becomes wider
c. does not change
d. Not enough information is provided to answer this question.
Question 2
Identification and definition of a problem
a. cannot be done until alternatives are proposed.
b. is the first step of decision making.
c. is the final step of problem solving.
d. requires consideration of multiple criteria.
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