The probability density function (pdf) is;
f(x)=
for a ≤ x ≤ b.
while the mean is given as 
And the standard deviation given as 
D) 28 is the right answer
find the attachments for the details
Answer:
6
Step-by-step explanation:
-(-3 x 2) = 6
you multiply the inside numbers and get -6 the other negative turns that into a positive
Answer:
it would be 14.2
Step-by-step explanation:
Have a Great Day or Night! :)
Answer:
# of reserved seats = R; # of general admission seats = G
G - R = 85
$18R + $9G =$3600
Multiply 1st equation by 18: 18G - 18R = 1530
Rearrange 2nd equation: $9G + $18R =$3600
Combine the equations: 27 G = 5130
G = 190
R = 105
Step-by-step explanation:
