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A confidence interval was used to estimate the proportion of freshmen in the COB191 class. A random sample of 100 COB191 students was taken and

A confidence interval was used to estimate the proportion of freshmen in the COB191 class. A random sample of 100 COB191 students was taken and 35 of them were identified as freshmen. What is the standard error of the proportion?

Group of answer choices

a. =0.35*0.65/SQRT(100)

b. =SQRT(0.35*0.65)/100

c. 0.0478

d. =SQRT(0.35*0.65/100)

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