The Three Confidence Intervals Below Were Constructed from the Same $19.3 < \mu < 24.7$

question 24

Multiple Choice

The three confidence intervals below were constructed from the same sample. One of them was computed at a confidence level of 90%, another at a confidence level of 95%, and another at a confidence level of 98%.
Which is the confidence level at 98%?

• A) \(19.3 < \mu < 24.7\)
• B) \(20.1 < \mu < 23.9\)
• C) cannot be determined
• D) \(19.7 < \mu < 24.3\)

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Definitions:

Vestibular Glands

The vestibular glands, also known as Bartholin's glands, are located near the vaginal opening and produce lubrication during sexual arousal.

Urethral Meatus

The external opening of the urethra, through which urine exits the body in both males and females, and also serves as the conduit for semen in males.

Paraurethral Glands

Glands located near the urethra that secrete fluid and are involved in female ejaculation.

Ovarian Atrophy

The shrinking or reduction in size and function of the ovaries, often associated with aging or certain medical conditions.