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The Mean Travel Time to Work Is 25

question 66

Multiple Choice

The mean travel time to work is 25.2 minutes (U.S.Census 2010) .Further,suppose that commute time follows a log-normal distribution with a standard deviation of 10 minutes. What is the probability a randomly selected U.S.worker has a commute time of more than half an hour?


Definitions:

Genetic Code

The set of rules by which information encoded within genetic material (DNA or mRNA sequences) is translated into proteins by living cells.

DNA

stands for 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 within living cells that contain DNA and carry genetic information necessary for cell growth, division, and function.

Conception

The process of becoming pregnant involving fertilization, where an egg and sperm combine to form a zygote.

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