The life in hours of a battery is known to be approximately normally distributed, with standard deviation hours. a random sample of 10 batteries has a mean life of x overbar equals 40.5 hours. (a) is there evidence to support the claim that battery life exceeds 40 hours

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:

the option best identifies the textual evidence that supports this conclusion is c.) when an argument is over, how many weighty reasons does a man recollect which his heat and violence made him utterly forget? in order to recognize textual evidence is to identify the topic sentence where the author states the main idea. textual evidence is what supports the topic sentence or main idea of a passage.

it is a horizontal line.