At a Large Midwestern College, 4% of the Students Are

question 3

Multiple Choice

At a large Midwestern college, 4% of the students are Hispanic. A random sample of 20 students from the college is selected. Let X denote the number of Hispanics among them. The mean of X is:

• A)0.4.
• B)0.8.
• C)1.2.
• D)1.6.

---

Definitions:

Rh Incompatibility

A condition where an Rh-negative mother produces antibodies against Rh-positive fetal blood cells, potentially causing fetal anemia.

Rh-positive

Refers to individuals whose red blood cells contain the Rh factor, making them capable of transmitting this characteristic.

Rh-negative

A blood type classification indicating the absence of the Rh factor on the surface of red blood cells, which can be important in blood transfusion and pregnancy.

Mother

A female parent or the woman who has given birth to or raised a child.