The percentage of a certain brand of computer chips that will fail after t years of use is estimated to be

P(t) = 100(1 − e−0.1t ).
What percentage of this brand of computer chips are expected to be usable after 6 years? (Round your answer to one decimal place.)
___ %

2 answers

Precentate usable=100- percentage filed

= 100-100(1-e^-.1t)=100e^-.1t
at t=6
percentage usable=100e^-.6=54.9percent
Thanks!