The probability that a number selected at random from the numbers 1, 2, 3,...,15 is a multiple of 4, is


Total numbers of elementary events are: 15

Let E be the event of getting a multiple of 4


Favorable outcomes are: 4, 8, 12


Numbers of favorable outcomes are = 3


P (multiple of 4) = P (E) = 3/15 = 1/5

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