Answer:
Almost every question you ask can and will be answered if asked in a right why
Answer:
7 and that is its simplest form
Step-by-step explanation:
thank me later
We want to find
, where
is a binomial distribution with
and
. So
The estimated portion of light bulbs that last more than 500 hours will be
x=∑xn=224/430=0.521=52.1%
