5. The average cell phone lifespan, according to a new research, is 24.3 months. It takes2.6 months to reach the standard deviation. Calculate the likelihood that a company's33 employees will have a...

5. The average cell phone lifespan, according to a new research, is 24.3 months. It takes 2.6 months to reach the standard deviation. Calculate the likelihood that a company's 33 employees will have a mobile phone with a lifespan of less than 23.8 months. Assume that the length of time spent on a mobile phone is a regularly distributed variable