Due Wed 06/30/2021 11:59 pm Company XYZ know that replacement times for the quartz time pieces it produces are normally distributed with a mean of 11/1 years and a standard deviation of 1.6 years. a. Find the probability that a randomly selected quartz time piece will have a replacement time less than 8.06 years? P(x - 8.06 years) Round to 4 decimal places. b. If the company wants to provide a warranty so that only 2 8% of the quartz time pieces will be replaced before the Warranty expires, what is the time length of the warranty? years Round to 4 decimal places