Sound waves with a large distance between A and B would be sound waves that have a large ________ and produce loud sounds. A) am
2 answers:
You might be interested in
a. This information is given to you.
b. We want to find
so we first transform to the standard normal random variable
with mean 0 and s.d. 1 using
where are the mean/s.d. of
. Now,
where is the CDF for
.
c. The 76th percentile is the value of such that
Transform to
and apply the inverse CDF of
.