Multiple Choice
A university found it retained 25 students out of 352 in 2009 and 26 students out of 334 in 2010.Construct a 90% confidence interval for the difference in the proportions of students retained in 2003 and 2004.
A) (-0.0461,0.0325)
B) (-0.0535,0.0398)
C) (-0.0585,0.0449)
D) (-0.0398,0.0262)
E) (0.0262,0.0398)
Correct Answer:
Verified
Correct Answer:
Verified
Q1: A new manager started a program on
Q4: Suppose the proportion of first year students
Q5: A two-sample z-test for two population proportions
Q9: Suppose the proportion of women who follow
Q10: A new manager,hired at a large warehouse,was
Q15: A survey of randomly selected university students
Q20: You wish to construct a 95% confidence
Q24: A new manager,hired at a large warehouse,was
Q35: A marketing survey involves product recognition in
Q49: In a random sample of 300 Canadian