Professor Jackson Gives Only a Mid-Term Exam and a Final

question 11

Multiple Choice

Professor Jackson gives only a mid-term exam and a final exam. The semester average is computed by taking of the mid-term exam score plus of the final exam score. To get a C, Birgit must have a semester average between 70 and 79 inclusive. If Birgit scored 70 on the mid-term exam, what range of scores on the final exam would give her a C ?

• A) f is the final exam score ; 68  f  90.5
• B) f is the final exam score ; 73  f  92.5
• C) f is the final exam score ; 70  f  92.5
• D) f is the final exam score ; 72.5  f  90.5

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Definitions:

Pregnant

A condition where a female is carrying a developing embryo or fetus within her uterus.

Twins

Two offspring produced by the same pregnancy, which can be identical (monozygotic) or fraternal (dizygotic).

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

Chromosomes

Structures located within the nucleus of a cell, composed of DNA and proteins, that carry genetic information in the form of genes.