Answer:
0.8041
Step-by-step explanation:
We know that
μ=72 and σ=5
and P(65<X<78)
We can determine the Z value as (X-μ)/σ
P( 65<X<78 )=P( 65-72< X-μ<78-72)


To fine the Z values:

From the standard normal tables:

to find P ( Z<-1.4)

From the standard normal tables:

Therefore


Answer:
10.85
Step-by-step explanation:
So with the ratio of 5 to 7.75 you would set up an equivalent ratio of 7 to ? to find your answer for? You do 5/7.75 and 7/? And cross multiply then divide the coefficient by itself on the side with the variable
the answer is B. $16.00 because when you do the math it comes up to 15.98
Yes it is because, 3/4 x 3 = 9/12 which 9/12 is simplified to 3/4 so which makes it equivalent, hope it helps and sorry if it doesn’t!