The fraction of television sets manufactured by a certain company that are still in working condition after t years of use is approximately $f ( t ) = e ^ { - 0.3 t }$ What fraction can be expected to fail before 5 years of use? Round your answer to two decimal places, if necessary.

Question

Quizplus · Accepted Answer

The fraction that fails before 5 years of use is 1 - f(5) = 1 - e^(-0.3 * 5) = 0.78

The Fraction of Television Sets Manufactured by a Certain Company f(t)=e−0.3tf ( t ) = e ^ { - 0.3 t }f(t)=e−0.3t

The Fraction of Television Sets Manufactured by a Certain Company $f ( t ) = e ^ { - 0.3 t }$