The time until a cell phone battery starts to significantly decline has a normal distribution with a mean of 500 charge
Posted: Wed Jul 06, 2022 12:24 pm
The time until a cell phone battery starts to significantly decline has a normal distribution with a mean of 500 charge cycles and a standard deviation of 120 cycles. if a battery is selected at random find the probability that the battery life will start to decline is between 430 and 670 cycles.