
where

is the CDF for

.
By symmetry of the distribution, you then have
The formula to find the volume of a cylinder is 3.14 • r squared • h
Do 910*70 = 63700 The actual answer is 60,836 so it is pretty close
Answer: 35
Explanation: If patty has $21, and $3 is the price for 5 hat pins, then: 21/3=7, so she can buy 7 packages which cost $3 and contain 5 pins, and because the question asked the number of pins, we will multiply 7 • 5 and that equals 35