Formula for volue of cylinder is area time height. Lets find area
A=
diameter=2r
8=2r
r=4
Now substitute r to
A=
Now we have formula
V=
- its the result, so B
A=
diameter=2r
8=2r
r=4
Now substitute r to
A=
Now we have formula
V=
find the tax sales on item divide the price of the item by 20 write an algebraic expression to find the sales tax on an item tha
1 answer:
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Answer:
P(x=25)=P(z=2)=0.9972 or 99.72%
Step-by-step explanation:
Mean = 18 pounds
Standard Deviation = 3.5 pounds
x= 25
We need to find P(x=25)
First, we need to find z-score using formula:
Finding z-score when x=25
So, we need to find P(z=2)=P(x=25)
Looking at z-score table we can find P(z=2)
P(z=2)=0.9972 or 99.72%
So, P(z=2)=0.9972 or 99.72%