Solve the Problem $\frac { 9 } { 100 }$ B $\frac { 3 } { 50 }$

question 242

Multiple Choice

Solve the problem.
-The final exam grades for a sample of students in a physical science class resulted in the following grade distribution. If one student taking physical science is selected at random, find the probability of the following events.
a. The student earned an "A".
b. The student earned an "F".

• A) a. \(\frac { 9 } { 100 }\) b. \(\frac { 3 } { 50 }\)
• B) a. \(\frac { 46 } { 55 }\) b. \(\frac { 49 } { 55 }\)
• C) a. \(\frac { 9 } { 55 }\) b. \(\frac { 6 } { 55 }\)
• D) a. \(\frac { 3 } { 11 }\) b. \(\frac { 6 } { 55 }\)

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Definitions:

Telomeres

The protective caps at the ends of chromosomes, which shorten with age and cell division, playing a role in cellular aging and lifespan.

Physical Exercise

Activities that maintain or enhance physical fitness and overall health and wellness, often including aerobic, strength, flexibility, and balance exercises.

Chromosomes

Structures within cells that contain DNA and carry genetic information critical for the development, functioning, and reproduction of living organisms.

Life Satisfaction

A measure of an individual's well-being and contentment with life as a whole.