An operation manager at a pump manufacture wants to test their pump outputs. The design engineer claims they have a mean output of 272 watts with a variance of 144. What is the probability that the mean pump output would be greater than 271.4 watts in a sample of 100 pumps if the claim is true?

answe

its a

step-by-step explanation:

true

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1

don't give

take it once

try and try and you will not

happy to

pls mark as brainliest

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation: