What Is the Probability of Getting Heads on the Fifth $\neq$

question 21

Multiple Choice

What is the probability of getting heads on the fifth toss of a fair coin when the four previous tosses were all tails?

• A) p > .50
• B) p = .50
• C) p < .50
• D) p \(\neq\) .50

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Definitions:

Revolving Armature Type

A design in electrical generators where the armature, or the part that generates electricity, rotates within a stationary magnetic field.

Sliprings

Circular bands of metal placed on the rotating part of a machine. Carbon brushes riding in contact with the sliprings provide connection to the external circuit.

Commutators

A mechanical switch used in some electric motors and electrical generators to reverse the direction of current flow in the coils.

Hydrogen Atmosphere

An environment or a setting that predominantly contains hydrogen gas (H2).