Answer:
Vern’s total beer cost for the year is 52×3×$7 = $1092. On an annual basis basis,his beer expense is$1092/$700= 156%of his texbook expense
hope i helped
-LVR
To get your answer, follow my method :
First you take away 24 from 250=226
Then you half 226=113 which is Mark's weight
As Mike weights 24 pounds more that Mark, you have to add 24 back=137
So your answer is :
Mark weights 113 pounds and Mike weights 137 pounds.
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 .
