Given that μ=0, and σ=1, P(z>c)=0.1093
thus
P(z<c)=1-0.1093=0.8907
hence the value of c will be:
z-score=(c-μ)/σ
thus
1.23=(c-0)/1
c=1.23
We know that
The sum of the lengths of any two sides of a triangle
must be greater than the length of the third side.
therefore
(3+3/4)=3.75 in
the third side must be < 3.75 in
the length could be 3 in
Step 2 they added instead of multiplied
