Question:

The replacement times for cell phones are normally

Last updated: 7/10/2022

The replacement times for cell phones are normally

The replacement times for cell phones are normally distributed with mean 3.1 years and standard deviation 0.8 years. What length of time separates the top 5% of cell phone replacements from the rest? The replacement time cut-off for the top 5% is 11.1 years 3.2 years 4.7 years 4.4 years 5.2 years