The Amount of Time Workers Spend Commuting to Their Jobs

question 89

Multiple Choice

The amount of time workers spend commuting to their jobs each day in a large metropolitan city has a mean of 70 minutes and a standard deviation of 20 minutes. Assuming the distribution of
Commuting times is known to be moundshaped and symmetric, what percentage of these
Commuting times are between 50 and 110 minutes?

• A)approximately 81.5%
• B)approximately 68%
• C)approximately 97.5%
• D)approximately 95%

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Definitions:

Axon Terminal

Bulbous end of the axon where signals move from the axon of one neuron to the dendrites or cell body of another.

Dendrites

The branched extensions of a neuron that receive signals from other neurons or sensory receptors and convey them toward the cell body.

Synapse

The junction between two neurons or between a neuron and a muscle cell, where electrical or chemical signals are transmitted from one cell to another.

Neurotransmitters

Chemical substances that transmit signals across a synapse from one neuron to another neuron, muscle cell, or gland cell.