THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 42

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Independent random sampling from two normally distributed populations gives the following results:
n_x = 55,
= 520,σ_x = 30,n_y = 45,
= 482,and σ_y = 24
-Find the 98% confidence interval for the difference in the means of the two populations.

• A)1002 ± 12.58
• B)38 ± 12.58
• C)38 ± 19.86
• D)1002 ± 19.86

---

Definitions:

Pelvic Outlet

The opening defined by the bony structure at the base of the pelvis, through which the fetus exits during childbirth.

Sacrum

A large, triangular bone at the base of the spine and at the upper and back part of the pelvic cavity, key to forming the pelvis structure.

Ischium

One of the three bones that make up the pelvis, positioned lower and to the back, anchoring sitting muscles.

Levator Ani

A group of muscles situated in the pelvis that support the pelvic organs and assist in maintaining continence.