There Are 10 AAA Batteries in a Box and 3

question 65

Multiple Choice

There are 10 AAA batteries in a box and 3 are defective. Two batteries are selected without replacement. What is the probability of selecting a defective battery followed by another defective battery?

• A)1/2 or 0.50
• B)1/4 or 0.25
• C)1/120 or about 0.0083
• D)1/15 or about 0.07

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Definitions:

Percent Equivalent

The percentage representation of a fraction or decimal.

Fraction

A fractional amount that signifies a portion of a whole, distinct from an integer.

Decimal Equivalent

A decimal number that represents the same value as a given fraction or percentage.

Percent Equivalent

The fractional amount expressed as a part of one hundred.