A company that produces LEDs states that the LEDs it produces can be used for an average of "mu" hours and a deviation of 5000 hours from this usage. (standard deviation). If the probability of working more than 40000 hours of a led lamp randomly purchased from this company is determined as 19.22%:

a What is the average working time stated by the firm (mu)?​

slunyavchik    3   14.06.2021 07:33    0