Find The Exact Area Of The Surface Obtained By Rotating The Curve Y The X Axis 16 1 2x 1 2 X 4 About The Daily Sum 1 (17.08 KiB) Viewed 10 times
Find the exact area of the surface obtained by rotating the curve y = the x-axis. 16 + 1 2x 1 2≤x≤4 about
The daily summer air quality index (AQI) in St. Louis is a random variable whose PDF is f(x) = kx² (180 − x), 0 ≤ x ≤ 180 1. Find the value of k that makes this a valid PDF 2. A day is an "orange alert" if the AQI is between 100 and 150. What is the probability that a summer day is an orange alert day? 3. Find the expected value of the summer AQI
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