At an Eastern State's University,60% of the Students Are from Suburban

question 28

Multiple Choice

At an eastern state's university,60% of the students are from suburban areas,30% are from rural areas,and 10% are from urban areas.Of the students from the suburban areas,60% are nonbusiness majors.Of the students from the rural areas,70% are nonbusiness majors.Of the students from the urban areas,90% are nonbusiness majors.The probability that a randomly selected student is a business major is

• A)0.54.
• B)0.44.
• C)0.34.
• D)0.66.

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Definitions:

Glucagon

A substance created by the pancreas that elevates blood sugar levels by encouraging the liver to convert glycogen into glucose.

Calcitonin

A hormone produced by the thyroid gland that lowers blood calcium levels by inhibiting bone resorption and promoting calcium excretion by the kidneys.

Reabsorption of Water

The process by which water is taken back into the body from the filtrate during urine formation, primarily occurring in the kidneys.

ADH

Antidiuretic hormone, also known as vasopressin, a hormone produced by the pituitary gland that regulates water balance in the body by decreasing urine production.