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: 3053.6 in^2
Step-by-step explanation:
Answer:
x is equal to 2
Step-by-step explanation:
2x+4=8
2x=4
x=2
I’m guessing you mean as a decimal. So it would be 2.333333333333 (repeating 3)
Answer:
20, 30, 35, 45, 15
Step-by-step explanation:
Just got to multiply all numbers by 5 little guy