A University Found It Retained 25 Students Out of 352

question 6

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)

---

Definitions:

Low Frequency

Pertains to waves, such as sound or electromagnetic waves, that have a relatively low rate of oscillation or cycles per second.

Place Theory

A theory in psychology that proposes the perception of sound depends on where each component frequency produces vibrations along the basilar membrane of the inner ear.

High-Pitched Sounds

Sounds that have a high frequency, typically perceived as "shrill" by the human ear.

Hair Cells

Sensory cells located in the inner ear, vital for the conversion of sound waves into electrical signals for hearing and helping in the maintenance of balance.